Q: What is the sum of all factors of the number 13,923 excluding 13,923?
A: 12,285
The factors of the number 13,923 are: 1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 4641, 13923.
If you add them up, you will get the total of 13,935. Now subtract 13,923 to get 12,285