Q: What is the sum of all factors of the number 125,520,003 excluding 125,520,003?

A: 87,553,917

Why is 87,553,917 the sum of all factors of 125,520,003, excluding 125,520,003?

The factors of the number 125,520,003 are: 1, 3, 7, 9, 21, 27, 63, 189, 577, 1151, 1731, 3453, 4039, 5193, 8057, 10359, 12117, 15579, 24171, 31077, 36351, 72513, 109053, 217539, 664127, 1992381, 4648889, 5977143, 13946667, 17931429, 41840001, 125520003.

If you add them up, you will get the total of 125,520,090. Now subtract 125,520,003 to get 87,553,917