393480459

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{4903}}^1$

素因数の和:5187

約数の個数: 24

約数和(自身を含む): 586263392

約数和(自身を除く): 192782933

約数列:

[1, 3, 9, 37, 111, 241, 333, 723, 2169, 4903, 8917, 14709, 26751, 44127, 80253, 181411, 544233, 1181623, 1632699, 3544869, 10634607, 43720051, 131160153, 393480459]

約数ペア:

[(1, 393480459), (3, 131160153), (9, 43720051), (37, 10634607), (111, 3544869), (241, 1632699), (333, 1181623), (723, 544233), (2169, 181411), (4903, 80253), (8917, 44127), (14709, 26751)]