18450321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3319}}^1$

素因数の和:3448

約数の個数: 16

約数和(自身を含む): 26294400

約数和(自身を除く): 7844079

約数列:

[1, 3, 17, 51, 109, 327, 1853, 3319, 5559, 9957, 56423, 169269, 361771, 1085313, 6150107, 18450321]

約数ペア:

[(1, 18450321), (3, 6150107), (17, 1085313), (51, 361771), (109, 169269), (327, 56423), (1853, 9957), (3319, 5559)]