Q: What is the sum of all factors of the number 425,250,405 excluding 425,250,405?

A: 361,663,899

Why is 361,663,899 the sum of all factors of 425,250,405, excluding 425,250,405?

The factors of the number 425,250,405 are: 1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 12555, 33871, 101613, 169355, 304839, 508065, 914517, 1050001, 1524195, 2743551, 3150003, 4572585, 5250005, 9450009, 13717755, 15750015, 28350027, 47250045, 85050081, 141750135, 425250405.

If you add them up, you will get the total of 425,250,766. Now subtract 425,250,405 to get 361,663,899