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
-261
Add them up. The factors of 9 are 1, 3 and 9. The sum of the factors is 13.
204
The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, 36 No two of them add up to 23.