272391

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 451440

約数和(自身を除く): 179049

約数列:

[1, 3, 7, 17, 21, 49, 51, 109, 119, 147, 327, 357, 763, 833, 1853, 2289, 2499, 5341, 5559, 12971, 16023, 38913, 90797, 272391]

約数ペア:

[(1, 272391), (3, 90797), (7, 38913), (17, 16023), (21, 12971), (49, 5559), (51, 5341), (109, 2499), (119, 2289), (147, 1853), (327, 833), (357, 763)]