68143467

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{1409}}^1$

素因数の和:1480

約数の個数: 32

約数和(自身を含む): 108288000

約数和(自身を除く): 40144533

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 1409, 2303, 4227, 6909, 9863, 16121, 29589, 48363, 66223, 69041, 198669, 207123, 463561, 483287, 1390683, 1449861, 3244927, 9734781, 22714489, 68143467]

約数ペア:

[(1, 68143467), (3, 22714489), (7, 9734781), (21, 3244927), (47, 1449861), (49, 1390683), (141, 483287), (147, 463561), (329, 207123), (343, 198669), (987, 69041), (1029, 66223), (1409, 48363), (2303, 29589), (4227, 16121), (6909, 9863)]