Q: What is the sum of all factors of the number 131,215,623 excluding 131,215,623?
A: 86,909,433
The factors of the number 131,215,623 are: 1, 3, 7, 11, 21, 33, 77, 231, 568033, 1704099, 3976231, 6248363, 11928693, 18745089, 43738541, 131215623.
If you add them up, you will get the total of 131,215,709. Now subtract 131,215,623 to get 86,909,433