Q: What is the sum of all factors of the number 1,264,809 excluding 1,264,809?
A: 880,215
The factors of the number 1,264,809 are: 1, 3, 7, 13, 21, 39, 41, 91, 113, 123, 273, 287, 339, 533, 791, 861, 1469, 1599, 2373, 3731, 4407, 4633, 10283, 11193, 13899, 30849, 32431, 60229, 97293, 180687, 421603, 1264809.
If you add them up, you will get the total of 1,265,689. Now subtract 1,264,809 to get 880,215