393430401

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{480379}}^1$

素因数の和:480405

約数の個数: 24

約数和(自身を含む): 699433280

約数和(自身を除く): 306002879

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 480379, 1441137, 3362653, 4323411, 6244927, 10087959, 18734781, 30263877, 43714489, 56204343, 131143467, 393430401]

約数ペア:

[(1, 393430401), (3, 131143467), (7, 56204343), (9, 43714489), (13, 30263877), (21, 18734781), (39, 10087959), (63, 6244927), (91, 4323411), (117, 3362653), (273, 1441137), (819, 480379)]