Q: What is the sum of all factors of the number 157,138,215 excluding 157,138,215?

A: 116,144,025

Why is 116,144,025 the sum of all factors of 157,138,215, excluding 157,138,215?

The factors of the number 157,138,215 are: 1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1417, 1635, 4251, 7085, 7393, 21255, 22179, 36965, 96109, 110895, 288327, 480545, 805837, 1441635, 2417511, 4029185, 10475881, 12087555, 31427643, 52379405, 157138215.

If you add them up, you will get the total of 157,138,331. Now subtract 157,138,215 to get 116,144,025