Q: What is the sum of all factors of the number 103,989 excluding 103,989?
A: 42,891
The factors of the number 103,989 are: 1, 3, 17, 51, 2039, 6117, 34663, 103989.
If you add them up, you will get the total of 104,031. Now subtract 103,989 to get 42,891