Q: What is the sum of all factors of the number 1,980,915 excluding 1,980,915?
A: 1,266,861
The factors of the number 1,980,915 are: 1, 3, 5, 15, 41, 123, 205, 615, 3221, 9663, 16105, 48315, 132061, 396183, 660305, 1980915.
If you add them up, you will get the total of 1,980,916. Now subtract 1,980,915 to get 1,266,861