18045321

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{389}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 28167360

約数和(自身を除く): 10122039

約数列:

[1, 3, 7, 21, 47, 141, 329, 389, 987, 1167, 2209, 2723, 6627, 8169, 15463, 18283, 46389, 54849, 127981, 383943, 859301, 2577903, 6015107, 18045321]

約数ペア:

[(1, 18045321), (3, 6015107), (7, 2577903), (21, 859301), (47, 383943), (141, 127981), (329, 54849), (389, 46389), (987, 18283), (1167, 15463), (2209, 8169), (2723, 6627)]