Q: What is the sum of all factors of the number 12,405 excluding 12,405?
A: 7,467
The factors of the number 12,405 are: 1, 3, 5, 15, 827, 2481, 4135, 12405.
If you add them up, you will get the total of 12,412. Now subtract 12,405 to get 7,467