Q: What is the sum of all factors of the number 123,539 excluding 123,539?
A: 21,397
The factors of the number 123,539 are: 1, 13, 17, 43, 169, 221, 559, 731, 2873, 7267, 9503, 123539.
If you add them up, you will get the total of 123,560. Now subtract 123,539 to get 21,397