401037507

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 648259200

約数和(自身を除く): 247221693

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 179, 351, 491, 507, 537, 1473, 1521, 1611, 2327, 4419, 4563, 4833, 6383, 6981, 13257, 19149, 20943, 30251, 57447, 62829, 82979, 87889, 90753, 172341, 248937, 263667, 272259, 746811, 791001, 816777, 1142557, 2240433, 2373003, 3427671, 10283013, 14853241, 30849039, 44559723, 133679169, 401037507]

約数ペア:

[(1, 401037507), (3, 133679169), (9, 44559723), (13, 30849039), (27, 14853241), (39, 10283013), (117, 3427671), (169, 2373003), (179, 2240433), (351, 1142557), (491, 816777), (507, 791001), (537, 746811), (1473, 272259), (1521, 263667), (1611, 248937), (2327, 172341), (4419, 90753), (4563, 87889), (4833, 82979), (6383, 62829), (6981, 57447), (13257, 30251), (19149, 20943)]