Q: What is the sum of all factors of the number 315,405 excluding 315,405?
A: 247,443
The factors of the number 315,405 are: 1, 3, 5, 9, 15, 43, 45, 129, 163, 215, 387, 489, 645, 815, 1467, 1935, 2445, 7009, 7335, 21027, 35045, 63081, 105135, 315405.
If you add them up, you will get the total of 315,652. Now subtract 315,405 to get 247,443