Factors / Factors of 195

Factors of 195

1, 3, 5, 13, 15, 39, 65, 195

195 breaks into 4 pairs, tested up to √195 ≈ 14.0; each pair multiplies back to 195 exactly. 195's full pair list is (1, 195), (3, 65), (5, 39), (13, 15), for 8 divisors in total. 195's divisors other than 195 itself sum to just 141, 54 below 195: the common deficient case. 195 is odd, digit sum 15 for 195; small divisors of 195 include 3, 5. 195 has 8 divisors; 194 has 4 and 196 has 9, so 196 wins here. 195 divided by its largest divisor, 65, gives 3.