18217467

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 27758640

約数和(自身を除く): 9541173

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 1229, 1647, 3687, 4941, 11061, 14823, 33183, 74969, 99549, 224907, 298647, 674721, 2024163, 6072489, 18217467]

約数ペア:

[(1, 18217467), (3, 6072489), (9, 2024163), (27, 674721), (61, 298647), (81, 224907), (183, 99549), (243, 74969), (549, 33183), (1229, 14823), (1647, 11061), (3687, 4941)]