Q: What is the sum of all factors of the number 120,777,315 excluding 120,777,315?

A: 81,182,685

Why is 81,182,685 the sum of all factors of 120,777,315, excluding 120,777,315?

The factors of the number 120,777,315 are: 1, 3, 5, 15, 29, 87, 101, 145, 303, 435, 505, 1515, 2749, 2929, 8247, 8787, 13745, 14645, 41235, 43935, 79721, 239163, 277649, 398605, 832947, 1195815, 1388245, 4164735, 8051821, 24155463, 40259105, 120777315.

If you add them up, you will get the total of 120,777,396. Now subtract 120,777,315 to get 81,182,685