Q: What is the sum of all factors of the number 28,197 excluding 28,197?
A: 15,847
The factors of the number 28,197 are: 1, 3, 9, 13, 39, 117, 241, 723, 2169, 3133, 9399, 28197.
If you add them up, you will get the total of 28,212. Now subtract 28,197 to get 15,847