42849891

素因数分解:

$3^9\times 7^1\times {\mathrm{311}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 73691904

約数和(自身を除く): 30842013

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, 75573, 137781, 176337, 226719, 529011, 680157, 1587033, 2040471, 4761099, 6121413, 14283297, 42849891]

約数ペア:

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