Q: What is the sum of all factors of the number 408,003 excluding 408,003?
A: 139,005
The factors of the number 408,003 are: 1, 3, 307, 443, 921, 1329, 136001, 408003.
If you add them up, you will get the total of 408,142. Now subtract 408,003 to get 139,005