Q: What is the sum of all factors of the number 1,255,215 excluding 1,255,215?
A: 974,481
The factors of the number 1,255,215 are: 1, 3, 5, 13, 15, 39, 41, 65, 123, 157, 195, 205, 471, 533, 615, 785, 1599, 2041, 2355, 2665, 6123, 6437, 7995, 10205, 19311, 30615, 32185, 83681, 96555, 251043, 418405, 1255215.
If you add them up, you will get the total of 1,256,189. Now subtract 1,255,215 to get 974,481