Q: What is the sum of all factors of the number 399,189 excluding 399,189?
A: 209,131
The factors of the number 399,189 are: 1, 3, 7, 21, 19009, 57027, 133063, 399189.
If you add them up, you will get the total of 399,398. Now subtract 399,189 to get 209,131