Q: What is the sum of all factors of the number 31,239 excluding 31,239?
A: 19,161
The factors of the number 31,239 are: 1, 3, 9, 13, 27, 39, 89, 117, 267, 351, 801, 1157, 2403, 3471, 10413, 31239.
If you add them up, you will get the total of 31,258. Now subtract 31,239 to get 19,161