Q: What is the sum of all factors of the number 15,305,625 excluding 15,305,625?

A: 13,060,295

Why is 13,060,295 the sum of all factors of 15,305,625, excluding 15,305,625?

The factors of the number 15,305,625 are: 1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 907, 1125, 1875, 2721, 3375, 4535, 5625, 8163, 13605, 16875, 22675, 24489, 40815, 68025, 113375, 122445, 204075, 340125, 566875, 612225, 1020375, 1700625, 3061125, 5101875, 15305625.

If you add them up, you will get the total of 15,305,638. Now subtract 15,305,625 to get 13,060,295