6 and 9
How about 3 and 6
5
9
factor OS 63 63 - 1, 3, 7, 9, 21, 63 7 and 9 add up to 16 7+9=16
6 and 9
How about 3 and 6
9 and -3
27
How about: 9+6 = 15
14 and 1 9 and 6
101
-8
-156
-261
Add them up. The factors of 9 are 1, 3 and 9. The sum of the factors is 13.
204