Q: What is the sum of all factors of the number 257,445 excluding 257,445?
A: 200,475
The factors of the number 257,445 are: 1, 3, 5, 9, 15, 27, 45, 135, 1907, 5721, 9535, 17163, 28605, 51489, 85815, 257445.
If you add them up, you will get the total of 257,645. Now subtract 257,445 to get 200,475