Q: What is the sum of all factors of the number 315,234,225 excluding 315,234,225?

A: 280,819,701

Why is 280,819,701 the sum of all factors of 315,234,225, excluding 315,234,225?

The factors of the number 315,234,225 are: 1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 361, 475, 855, 1083, 1425, 1805, 3249, 3881, 4275, 5415, 9025, 11643, 16245, 19405, 27075, 34929, 58215, 73739, 81225, 97025, 174645, 221217, 291075, 368695, 663651, 873225, 1106085, 1401041, 1843475, 3318255, 4203123, 5530425, 7005205, 12609369, 16591275, 21015615, 35026025, 63046845, 105078075, 315234225.

If you add them up, you will get the total of 315,234,505. Now subtract 315,234,225 to get 280,819,701