Q: What is the sum of all factors of the number 1,521,143 excluding 1,521,143?
A: 213,625
The factors of the number 1,521,143 are: 1, 13, 17, 221, 6883, 89479, 117011, 1521143.
If you add them up, you will get the total of 1,521,356. Now subtract 1,521,143 to get 213,625