397809741

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{3583}}^1$

素因数の和:3921

約数の個数: 32

約数和(自身を含む): 644087808

約数和(自身を除く): 246278067

約数列:

[1, 3, 7, 17, 21, 51, 119, 311, 357, 933, 2177, 3583, 5287, 6531, 10749, 15861, 25081, 37009, 60911, 75243, 111027, 182733, 426377, 1114313, 1279131, 3342939, 7800191, 18943321, 23400573, 56829963, 132603247, 397809741]

約数ペア:

[(1, 397809741), (3, 132603247), (7, 56829963), (17, 23400573), (21, 18943321), (51, 7800191), (119, 3342939), (311, 1279131), (357, 1114313), (933, 426377), (2177, 182733), (3583, 111027), (5287, 75243), (6531, 60911), (10749, 37009), (15861, 25081)]