80393859

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 149800560

約数和(自身を除く): 69406701

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 49, 63, 91, 111, 117, 147, 259, 273, 333, 379, 441, 481, 637, 777, 819, 1137, 1443, 1813, 1911, 2331, 2653, 3367, 3411, 4329, 4927, 5439, 5733, 7959, 10101, 14023, 14781, 16317, 18571, 23569, 23877, 30303, 34489, 42069, 44343, 55713, 70707, 98161, 103467, 126207, 167139, 182299, 212121, 241423, 294483, 310401, 546897, 687127, 724269, 883449, 1276093, 1640691, 2061381, 2172807, 3828279, 6184143, 8932651, 11484837, 26797953, 80393859]

約数ペア:

[(1, 80393859), (3, 26797953), (7, 11484837), (9, 8932651), (13, 6184143), (21, 3828279), (37, 2172807), (39, 2061381), (49, 1640691), (63, 1276093), (91, 883449), (111, 724269), (117, 687127), (147, 546897), (259, 310401), (273, 294483), (333, 241423), (379, 212121), (441, 182299), (481, 167139), (637, 126207), (777, 103467), (819, 98161), (1137, 70707), (1443, 55713), (1813, 44343), (1911, 42069), (2331, 34489), (2653, 30303), (3367, 23877), (3411, 23569), (4329, 18571), (4927, 16317), (5439, 14781), (5733, 14023), (7959, 10101)]