Q: What is the sum of all factors of the number 1,128,609 excluding 1,128,609?
A: 521,091
The factors of the number 1,128,609 are: 1, 3, 9, 89, 267, 801, 1409, 4227, 12681, 125401, 376203, 1128609.
If you add them up, you will get the total of 1,129,130. Now subtract 1,128,609 to get 521,091