Q: What is the sum of all factors of the number 1,215,159 excluding 1,215,159?
A: 630,345
The factors of the number 1,215,159 are: 1, 3, 11, 23, 33, 69, 253, 759, 1601, 4803, 17611, 36823, 52833, 110469, 405053, 1215159.
If you add them up, you will get the total of 1,215,789. Now subtract 1,215,159 to get 630,345