Q: What is the sum of all factors of the number 513,279 excluding 513,279?
A: 312,273
The factors of the number 513,279 are: 1, 3, 9, 13, 39, 41, 107, 117, 123, 321, 369, 533, 963, 1391, 1599, 4173, 4387, 4797, 12519, 13161, 39483, 57031, 171093, 513279.
If you add them up, you will get the total of 513,591. Now subtract 513,279 to get 312,273