Q: What is the sum of all factors of the number 1,428,945 excluding 1,428,945?

 A: 1,274,415

Why is 1,274,415 the sum of all factors of 1,428,945, excluding 1,428,945?

The factors of the number 1,428,945 are: 1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 439, 465, 651, 1085, 1317, 2195, 3073, 3255, 6585, 9219, 13609, 15365, 40827, 46095, 68045, 95263, 204135, 285789, 476315, 1428945.

If you add them up, you will get the total of 1,428,946. Now subtract 1,428,945 to get 1,274,415


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