Q: What is the sum of all factors of the number 515,021,121 excluding 515,021,121?
A: 254,551,059
The factors of the number 515,021,121 are: 1, 3, 9, 29, 87, 261, 1973261, 5919783, 17759349, 57224569, 171673707, 515021121.
If you add them up, you will get the total of 515,021,375. Now subtract 515,021,121 to get 254,551,059