Q: What is the sum of all factors of the number 407,997 excluding 407,997?
A: 238,467
The factors of the number 407,997 are: 1, 3, 9, 23, 27, 69, 73, 81, 207, 219, 243, 621, 657, 1679, 1863, 1971, 5037, 5589, 5913, 15111, 17739, 45333, 135999, 407997.
If you add them up, you will get the total of 408,235. Now subtract 407,997 to get 238,467