Q: What is the sum of all factors of the number 83,979 excluding 83,979?
A: 62,453
The factors of the number 83,979 are: 1, 3, 7, 9, 21, 31, 43, 63, 93, 129, 217, 279, 301, 387, 651, 903, 1333, 1953, 2709, 3999, 9331, 11997, 27993, 83979.
If you add them up, you will get the total of 84,041. Now subtract 83,979 to get 62,453