Q: What is the sum of all factors of the number 40,707,405 excluding 40,707,405?

A: 35,220,915

Why is 35,220,915 the sum of all factors of 40,707,405, excluding 40,707,405?

The factors of the number 40,707,405 are: 1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 855, 893, 1013, 2115, 2679, 3039, 4465, 5065, 8037, 9117, 13395, 15195, 19247, 40185, 45585, 47611, 57741, 96235, 142833, 173223, 238055, 288705, 428499, 714165, 866115, 904609, 2142495, 2713827, 4523045, 8141481, 13569135, 40707405.

If you add them up, you will get the total of 40,707,440. Now subtract 40,707,405 to get 35,220,915