Factors / Factors of 7

Factors of 7

1, 7

7 is prime: only factor pair is (1, 7), confirmed by trial division up to √7 ≈ 2.6 turning up nothing else. 7's full pair list is (1, 7), for 2 divisors in total. 7's divisors other than 7 itself sum to just 1, 6 below 7: the common deficient case. 7 is odd, digit sum 7 for 7; none of 2-12 divide 7 evenly. 7 has 2 divisors; 6 has 4 and 8 has 4, so 6 wins here. 7 divided by its largest divisor, 1, gives 7.