Q: What is the sum of all factors of the number 128,403 excluding 128,403?
A: 74,085
The factors of the number 128,403 are: 1, 3, 9, 11, 33, 99, 1297, 3891, 11673, 14267, 42801, 128403.
If you add them up, you will get the total of 128,477. Now subtract 128,403 to get 74,085