Q: What is the sum of all factors of the number 215,325 excluding 215,325?

A: 231,075

Why is 231,075 the sum of all factors of 215,325, excluding 215,325?

The factors of the number 215,325 are: 1, 3, 5, 9, 11, 15, 25, 27, 29, 33, 45, 55, 75, 87, 99, 135, 145, 165, 225, 261, 275, 297, 319, 435, 495, 675, 725, 783, 825, 957, 1305, 1485, 1595, 2175, 2475, 2871, 3915, 4785, 6525, 7425, 7975, 8613, 14355, 19575, 23925, 43065, 71775, 215325.

If you add them up, you will get the total of 215,556. Now subtract 215,325 to get 231,075