397476963

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{377471}}^1$

素因数の和:377496

約数の個数: 20

約数和(自身を含む): 639437568

約数和(自身を除く): 241960605

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 377471, 1132413, 3397239, 4907123, 10191717, 14721369, 30575151, 44164107, 132492321, 397476963]

約数ペア:

[(1, 397476963), (3, 132492321), (9, 44164107), (13, 30575151), (27, 14721369), (39, 10191717), (81, 4907123), (117, 3397239), (351, 1132413), (1053, 377471)]