Q: What is the sum of all factors of the number 1,380,249 excluding 1,380,249?
A: 821,223
The factors of the number 1,380,249 are: 1, 3, 9, 13, 39, 47, 117, 141, 251, 423, 611, 753, 1833, 2259, 3263, 5499, 9789, 11797, 29367, 35391, 106173, 153361, 460083, 1380249.
If you add them up, you will get the total of 1,381,070. Now subtract 1,380,249 to get 821,223