Q: What is the sum of all factors of the number 1,200,609 excluding 1,200,609?
A: 613,791
The factors of the number 1,200,609 are: 1, 3, 9, 27, 53, 159, 477, 839, 1431, 2517, 7551, 22653, 44467, 133401, 400203, 1200609.
If you add them up, you will get the total of 1,201,222. Now subtract 1,200,609 to get 613,791