473.457.  Sale of property under power in will. — 1.  The sale and conveyance of property under a will shall be made by the acting executor or administrator with the will annexed, if no other person is appointed by the will for that purpose, or if such person fails or refuses to act.

  2.  Whenever power to sell or otherwise deal with property under a will, by the terms thereof, is personal to the executor therein designated, the court may direct the exercise thereof by a successor executor or administrator or by some other person.  The court has full power to supervise the exercise of such powers and to make such orders as are necessary to effectuate the will of testator.

  3.  When power to sell, mortgage, lease or exchange property of the estate has been given to any executor under the terms of any will, the executor may proceed under such power, or under the provisions of this law, as he may determine.