Q: What is the sum of all factors of the number 642,141 excluding 642,141?
A: 365,859
The factors of the number 642,141 are: 1, 3, 9, 17, 27, 51, 153, 459, 1399, 4197, 12591, 23783, 37773, 71349, 214047, 642141.
If you add them up, you will get the total of 642,506. Now subtract 642,141 to get 365,859