Q: What is the sum of all factors of the number 12,243 excluding 12,243?
A: 8,493
The factors of the number 12,243 are: 1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 4081, 12243.
If you add them up, you will get the total of 12,251. Now subtract 12,243 to get 8,493