31173129

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 52561600

約数和(自身を除く): 21388471

約数列:

[1, 3, 9, 13, 19, 37, 39, 57, 111, 117, 171, 247, 333, 379, 481, 703, 741, 1137, 1443, 2109, 2223, 3411, 4329, 4927, 6327, 7201, 9139, 14023, 14781, 21603, 27417, 42069, 44343, 64809, 82251, 93613, 126207, 182299, 266437, 280839, 546897, 799311, 842517, 1640691, 2397933, 3463681, 10391043, 31173129]

約数ペア:

[(1, 31173129), (3, 10391043), (9, 3463681), (13, 2397933), (19, 1640691), (37, 842517), (39, 799311), (57, 546897), (111, 280839), (117, 266437), (171, 182299), (247, 126207), (333, 93613), (379, 82251), (481, 64809), (703, 44343), (741, 42069), (1137, 27417), (1443, 21603), (2109, 14781), (2223, 14023), (3411, 9139), (4329, 7201), (4927, 6327)]