Q: What is the sum of all factors of the number 1,991,241 excluding 1,991,241?
A: 1,295,991
The factors of the number 1,991,241 are: 1, 3, 7, 9, 21, 63, 31607, 94821, 221249, 284463, 663747, 1991241.
If you add them up, you will get the total of 1,991,242. Now subtract 1,991,241 to get 1,295,991