Q: What is the sum of all factors of the number 8,217 excluding 8,217?
A: 4,887
The factors of the number 8,217 are: 1, 3, 9, 11, 33, 83, 99, 249, 747, 913, 2739, 8217.
If you add them up, you will get the total of 8,221. Now subtract 8,217 to get 4,887