Q: What is the sum of all factors of the number 991,413 excluding 991,413?
A: 500,427
The factors of the number 991,413 are: 1, 3, 9, 27, 73, 219, 503, 657, 1509, 1971, 4527, 13581, 36719, 110157, 330471, 991413.
If you add them up, you will get the total of 991,913. Now subtract 991,413 to get 500,427