27131715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2484

約数の個数: 48

約数和(自身を含む): 53333280

約数和(自身を除く): 26201565

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 2441, 3705, 7323, 11115, 12205, 21969, 31733, 36615, 46379, 95199, 109845, 139137, 158665, 231895, 285597, 417411, 475995, 602927, 695685, 1427985, 1808781, 2087055, 3014635, 5426343, 9043905, 27131715]

約数ペア:

[(1, 27131715), (3, 9043905), (5, 5426343), (9, 3014635), (13, 2087055), (15, 1808781), (19, 1427985), (39, 695685), (45, 602927), (57, 475995), (65, 417411), (95, 285597), (117, 231895), (171, 158665), (195, 139137), (247, 109845), (285, 95199), (585, 46379), (741, 36615), (855, 31733), (1235, 21969), (2223, 12205), (2441, 11115), (3705, 7323)]