128549673

素因数分解:

$3^{10}\times 7^1\times {\mathrm{311}}^1$

素因数の和:348

約数の個数: 44

約数和(自身を含む): 221078208

約数和(自身を除く): 92528535

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 311, 567, 729, 933, 1701, 2177, 2187, 2799, 5103, 6531, 6561, 8397, 15309, 19593, 19683, 25191, 45927, 58779, 59049, 75573, 137781, 176337, 226719, 413343, 529011, 680157, 1587033, 2040471, 4761099, 6121413, 14283297, 18364239, 42849891, 128549673]

約数ペア:

[(1, 128549673), (3, 42849891), (7, 18364239), (9, 14283297), (21, 6121413), (27, 4761099), (63, 2040471), (81, 1587033), (189, 680157), (243, 529011), (311, 413343), (567, 226719), (729, 176337), (933, 137781), (1701, 75573), (2177, 59049), (2187, 58779), (2799, 45927), (5103, 25191), (6531, 19683), (6561, 19593), (8397, 15309)]