Q: What is the sum of all factors of the number 28,709,247 excluding 28,709,247?
A: 18,373,209
The factors of the number 28,709,247 are: 1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 541, 931, 1083, 1623, 2527, 2793, 3787, 7581, 10279, 11361, 17689, 26509, 30837, 53067, 71953, 79527, 195301, 215859, 503671, 585903, 1367107, 1511013, 4101321, 9569749, 28709247.
If you add them up, you will get the total of 28,709,265. Now subtract 28,709,247 to get 18,373,209