Q: What is the sum of all factors of the number 138,957 excluding 138,957?
A: 89,523
The factors of the number 138,957 are: 1, 3, 7, 13, 21, 39, 91, 273, 509, 1527, 3563, 6617, 10689, 19851, 46319, 138957.
If you add them up, you will get the total of 139,046. Now subtract 138,957 to get 89,523