18131169

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^2\times {\mathrm{109}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 28198720

約数和(自身を除く): 10067551

約数列:

[1, 3, 7, 21, 89, 109, 267, 327, 623, 763, 1869, 2289, 7921, 9701, 23763, 29103, 55447, 67907, 166341, 203721, 863389, 2590167, 6043723, 18131169]

約数ペア:

[(1, 18131169), (3, 6043723), (7, 2590167), (21, 863389), (89, 203721), (109, 166341), (267, 67907), (327, 55447), (623, 29103), (763, 23763), (1869, 9701), (2289, 7921)]