Q: What is the sum of all factors of the number 1,091,421 excluding 1,091,421?
A: 525,539
The factors of the number 1,091,421 are: 1, 3, 9, 27, 40423, 121269, 363807, 1091421.
If you add them up, you will get the total of 1,091,946. Now subtract 1,091,421 to get 525,539