Q: What is the sum of all factors of the number 12,195 excluding 12,195?
A: 9,021
The factors of the number 12,195 are: 1, 3, 5, 9, 15, 45, 271, 813, 1355, 2439, 4065, 12195.
If you add them up, you will get the total of 12,204. Now subtract 12,195 to get 9,021