Q: What is the sum of all factors of the number 86,991 excluding 86,991?
A: 30,513
The factors of the number 86,991 are: 1, 3, 107, 271, 321, 813, 28997, 86991.
If you add them up, you will get the total of 87,021. Now subtract 86,991 to get 30,513