Q: What is the sum of all factors of the number 1,264,215 excluding 1,264,215?
A: 772,521
The factors of the number 1,264,215 are: 1, 3, 5, 15, 271, 311, 813, 933, 1355, 1555, 4065, 4665, 84281, 252843, 421405, 1264215.
If you add them up, you will get the total of 1,264,987. Now subtract 1,264,215 to get 772,521