Q: What is the sum of all factors of the number 421,317 excluding 421,317?
A: 240,045
The factors of the number 421,317 are: 1, 3, 9, 13, 39, 117, 169, 277, 507, 831, 1521, 2493, 3601, 10803, 32409, 46813, 140439, 421317.
If you add them up, you will get the total of 421,557. Now subtract 421,317 to get 240,045