Q: What is the sum of all factors of the number 612,045 excluding 612,045?

A: 660,915

Why is 660,915 the sum of all factors of 612,045, excluding 612,045?

The factors of the number 612,045 are: 1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 67, 87, 105, 145, 201, 203, 261, 315, 335, 435, 469, 603, 609, 1005, 1015, 1305, 1407, 1827, 1943, 2345, 3015, 3045, 4221, 5829, 7035, 9135, 9715, 13601, 17487, 21105, 29145, 40803, 68005, 87435, 122409, 204015, 612045.

If you add them up, you will get the total of 612,705. Now subtract 612,045 to get 660,915