Q: What is the sum of all factors of the number 215,397 excluding 215,397?
A: 168,987
The factors of the number 215,397 are: 1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 263, 273, 789, 819, 1841, 2367, 3419, 5523, 10257, 16569, 23933, 30771, 71799, 215397.
If you add them up, you will get the total of 215,565. Now subtract 215,397 to get 168,987