Q: What is the sum of all factors of the number 1,261,401 excluding 1,261,401?
A: 420,471
The factors of the number 1,261,401 are: 1, 3, 420467, 1261401.
If you add them up, you will get the total of 1,261,821. Now subtract 1,261,401 to get 420,471