Q: What is the sum of all factors of the number 4,091,391 excluding 4,091,391?
A: 2,133,009
The factors of the number 4,091,391 are: 1, 3, 9, 27, 81, 113, 149, 243, 339, 447, 1017, 1341, 3051, 4023, 9153, 12069, 16837, 27459, 36207, 50511, 151533, 454599, 1363797, 4091391.
If you add them up, you will get the total of 4,091,393. Now subtract 4,091,391 to get 2,133,009