Q: What is the sum of all factors of the number 43,309 excluding 43,309?
A: 8,531
The factors of the number 43,309 are: 1, 7, 23, 161, 269, 1883, 6187, 43309.
If you add them up, you will get the total of 43,317. Now subtract 43,309 to get 8,531