Q: What is the sum of all factors of the number 397,575 excluding 397,575?

A: 396,025

Why is 396,025 the sum of all factors of 397,575, excluding 397,575?

The factors of the number 397,575 are: 1, 3, 5, 9, 15, 19, 25, 27, 31, 45, 57, 75, 93, 95, 135, 155, 171, 225, 279, 285, 465, 475, 513, 589, 675, 775, 837, 855, 1395, 1425, 1767, 2325, 2565, 2945, 4185, 4275, 5301, 6975, 8835, 12825, 14725, 15903, 20925, 26505, 44175, 79515, 132525, 397575.

If you add them up, you will get the total of 397,971. Now subtract 397,575 to get 396,025