Factors / Factors of 169
Factors of 169
1, 13, 169
169 is a perfect square (13² = 169); that gives 169 an odd 3-divisor count, since only 13 pairs with itself. 169's full pair list is (1, 169), (13, 13), for 3 divisors in total. 169's divisors other than 169 itself sum to just 14, 155 below 169: the common deficient case. 169 is odd, digit sum 16 for 169; none of 2-12 divide 169 evenly. 169 has 3 divisors; 168 has 16 and 170 has 8, so 168 wins here. 169 divided by its largest divisor, 13, gives 13.