Q: What is the sum of all factors of the number 668,403 excluding 668,403?
A: 339,357
The factors of the number 668,403 are: 1, 3, 9, 23, 69, 207, 3229, 9687, 29061, 74267, 222801, 668403.
If you add them up, you will get the total of 668,742. Now subtract 668,403 to get 339,357