Q: What is the sum of all factors of the number 308,185,857 excluding 308,185,857?

A: 214,457,343

Why is 214,457,343 the sum of all factors of 308,185,857, excluding 308,185,857?

The factors of the number 308,185,857 are: 1, 3, 7, 9, 21, 27, 63, 189, 977, 1669, 2931, 5007, 6839, 8793, 11683, 15021, 20517, 26379, 35049, 45063, 61551, 105147, 184653, 315441, 1630613, 4891839, 11414291, 14675517, 34242873, 44026551, 102728619, 308185857.

If you add them up, you will get the total of 308,186,071. Now subtract 308,185,857 to get 214,457,343