Q: What is the sum of all factors of the number 1,261,191 excluding 1,261,191?
A: 420,401
The factors of the number 1,261,191 are: 1, 3, 420397, 1261191.
If you add them up, you will get the total of 1,261,611. Now subtract 1,261,191 to get 420,401