Q: What is the sum of all factors of the number 216,520,605 excluding 216,520,605?
A: 213,465,315
The factors of the number 216,520,605 are: 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 643, 1069, 1929, 3207, 3215, 4501, 5345, 5787, 7483, 9621, 9645, 13503, 16035, 22449, 22505, 28935, 37415, 40509, 48105, 67347, 67515, 112245, 202545, 336735, 687367, 2062101, 3436835, 4811569, 6186303, 10310505, 14434707, 24057845, 30931515, 43304121, 72173535, 216520605.
If you add them up, you will get the total of 216,520,818. Now subtract 216,520,605 to get 213,465,315