Q: What is the sum of all factors of the number 202,081,215 excluding 202,081,215?

A: 168,701,505

Why is 168,701,505 the sum of all factors of 202,081,215, excluding 202,081,215?

The factors of the number 202,081,215 are: 1, 3, 5, 7, 15, 21, 35, 105, 307, 921, 1535, 2149, 4605, 6269, 6447, 10745, 18807, 31345, 32235, 43883, 94035, 131649, 219415, 658245, 1924583, 5773749, 9622915, 13472081, 28868745, 40416243, 67360405, 202081215.

If you add them up, you will get the total of 202,081,383. Now subtract 202,081,215 to get 168,701,505