400631

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1$

素因数の和:83

約数の個数: 16

約数和(自身を含む): 515328

約数和(自身を除く): 114697

約数列:

[1, 7, 11, 43, 77, 121, 301, 473, 847, 1331, 3311, 5203, 9317, 36421, 57233, 400631]

約数ペア:

[(1, 400631), (7, 57233), (11, 36421), (43, 9317), (77, 5203), (121, 3311), (301, 1331), (473, 847)]