Q: What is the sum of all factors of the number 87,309 excluding 87,309?
A: 41,391
The factors of the number 87,309 are: 1, 3, 9, 89, 109, 267, 327, 801, 981, 9701, 29103, 87309.
If you add them up, you will get the total of 87,350. Now subtract 87,309 to get 41,391