68656497

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 117899712

約数和(自身を除く): 49243215

約数列:

[1, 3, 7, 13, 21, 37, 39, 49, 91, 111, 147, 259, 273, 481, 637, 777, 971, 1443, 1813, 1911, 2913, 3367, 5439, 6797, 10101, 12623, 20391, 23569, 35927, 37869, 47579, 70707, 88361, 107781, 142737, 251489, 265083, 467051, 618527, 754467, 1401153, 1760423, 1855581, 3269357, 5281269, 9808071, 22885499, 68656497]

約数ペア:

[(1, 68656497), (3, 22885499), (7, 9808071), (13, 5281269), (21, 3269357), (37, 1855581), (39, 1760423), (49, 1401153), (91, 754467), (111, 618527), (147, 467051), (259, 265083), (273, 251489), (481, 142737), (637, 107781), (777, 88361), (971, 70707), (1443, 47579), (1813, 37869), (1911, 35927), (2913, 23569), (3367, 20391), (5439, 12623), (6797, 10101)]