Q: What is the sum of all factors of the number 620,037,621 excluding 620,037,621?
A: 476,642,379
The factors of the number 620,037,621 are: 1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 73999, 221997, 517993, 665991, 1405981, 1553979, 3625951, 4217943, 4661937, 9841867, 10877853, 12653829, 29525601, 32633559, 68893069, 88576803, 206679207, 620037621.
If you add them up, you will get the total of 620,038,097. Now subtract 620,037,621 to get 476,642,379