Q: What is the sum of all factors of the number 1,261,533 excluding 1,261,533?
A: 809,123
The factors of the number 1,261,533 are: 1, 3, 7, 13, 21, 39, 91, 273, 4621, 13863, 32347, 60073, 97041, 180219, 420511, 1261533.
If you add them up, you will get the total of 1,262,342. Now subtract 1,261,533 to get 809,123