18153009

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6701}}^1$

素因数の和:6757

約数の個数: 24

約数和(自身を含む): 30668352

約数和(自身を除く): 12515343

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 6701, 20103, 46907, 60309, 140721, 288143, 422163, 864429, 2017001, 2593287, 6051003, 18153009]

約数ペア:

[(1, 18153009), (3, 6051003), (7, 2593287), (9, 2017001), (21, 864429), (43, 422163), (63, 288143), (129, 140721), (301, 60309), (387, 46907), (903, 20103), (2709, 6701)]