Q: What is the sum of all factors of the number 1,428,705 excluding 1,428,705?

 A: 1,249,695

Why is 1,249,695 the sum of all factors of 1,428,705, excluding 1,428,705?

The factors of the number 1,428,705 are: 1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 557, 855, 1671, 2565, 2785, 5013, 8355, 10583, 15039, 25065, 31749, 52915, 75195, 95247, 158745, 285741, 476235, 1428705.

If you add them up, you will get the total of 1,428,706. Now subtract 1,428,705 to get 1,249,695


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