16605

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1$

素因数の和:58

約数の個数: 20

約数和(自身を含む): 30492

約数和(自身を除く): 13887

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 5535, 16605]

約数ペア:

[(1, 16605), (3, 5535), (5, 3321), (9, 1845), (15, 1107), (27, 615), (41, 405), (45, 369), (81, 205), (123, 135)]