Q: What is the sum of all factors of the number 639,369 excluding 639,369?
A: 333,031
The factors of the number 639,369 are: 1, 3, 9, 19, 57, 171, 3739, 11217, 33651, 71041, 213123, 639369.
If you add them up, you will get the total of 639,702. Now subtract 639,369 to get 333,031