Q: What is the sum of all factors of the number 40,137,561 excluding 40,137,561?
A: 21,249,531
The factors of the number 40,137,561 are: 1, 3, 9, 17, 51, 153, 262337, 787011, 2361033, 4459729, 13379187, 40137561.
If you add them up, you will get the total of 40,137,582. Now subtract 40,137,561 to get 21,249,531