Q: What is the sum of all factors of the number 279,939 excluding 279,939?
A: 152,061
The factors of the number 279,939 are: 1, 3, 11, 17, 33, 51, 187, 499, 561, 1497, 5489, 8483, 16467, 25449, 93313, 279939.
If you add them up, you will get the total of 280,091. Now subtract 279,939 to get 152,061