18105507

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4871}}^1$

素因数の和:4943

約数の個数: 24

約数和(自身を含む): 30401280

約数和(自身を除く): 12295773

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 4871, 14613, 34097, 43839, 102291, 287389, 306873, 862167, 2011723, 2586501, 6035169, 18105507]

約数ペア:

[(1, 18105507), (3, 6035169), (7, 2586501), (9, 2011723), (21, 862167), (59, 306873), (63, 287389), (177, 102291), (413, 43839), (531, 34097), (1239, 14613), (3717, 4871)]