Q: What is the sum of all factors of the number 231,301,329 excluding 231,301,329?

A: 128,482,095

Why is 128,482,095 the sum of all factors of 231,301,329, excluding 231,301,329?

The factors of the number 231,301,329 are: 1, 3, 7, 21, 83, 131, 249, 393, 581, 917, 1013, 1743, 2751, 3039, 7091, 10873, 21273, 32619, 76111, 84079, 132703, 228333, 252237, 398109, 588553, 928921, 1765659, 2786763, 11014349, 33043047, 77100443, 231301329.

If you add them up, you will get the total of 231,301,457. Now subtract 231,301,329 to get 128,482,095