18107901

素因数分解:

$3^3\times 7^2\times {\mathrm{13687}}^1$

素因数の和:13710

約数の個数: 24

約数和(自身を含む): 31208640

約数和(自身を除く): 13100739

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13687, 41061, 95809, 123183, 287427, 369549, 670663, 862281, 2011989, 2586843, 6035967, 18107901]

約数ペア:

[(1, 18107901), (3, 6035967), (7, 2586843), (9, 2011989), (21, 862281), (27, 670663), (49, 369549), (63, 287427), (147, 123183), (189, 95809), (441, 41061), (1323, 13687)]