Q: What is the sum of all factors of the number 247,923 excluding 247,923?
A: 142,233
The factors of the number 247,923 are: 1, 3, 9, 13, 39, 117, 163, 169, 489, 507, 1467, 1521, 2119, 6357, 19071, 27547, 82641, 247923.
If you add them up, you will get the total of 248,065. Now subtract 247,923 to get 142,233