Q: What is the sum of all factors of the number 431,379 excluding 431,379?
A: 257,421
The factors of the number 431,379 are: 1, 3, 9, 13, 27, 39, 117, 351, 1229, 3687, 11061, 15977, 33183, 47931, 143793, 431379.
If you add them up, you will get the total of 431,636. Now subtract 431,379 to get 257,421