Q: What is the sum of all factors of the number 399,807 excluding 399,807?
A: 196,737
The factors of the number 399,807 are: 1, 3, 9, 31, 93, 279, 1433, 4299, 12897, 44423, 133269, 399807.
If you add them up, you will get the total of 400,003. Now subtract 399,807 to get 196,737