981393651

素因数分解:

$3^6\times 7^1\times {\mathrm{192317}}^1$

素因数の和:192342

約数の個数: 28

約数和(自身を含む): 1681628592

約数和(自身を除く): 700234941

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 192317, 576951, 1346219, 1730853, 4038657, 5192559, 12115971, 15577677, 36347913, 46733031, 109043739, 140199093, 327131217, 981393651]

約数ペア:

[(1, 981393651), (3, 327131217), (7, 140199093), (9, 109043739), (21, 46733031), (27, 36347913), (63, 15577677), (81, 12115971), (189, 5192559), (243, 4038657), (567, 1730853), (729, 1346219), (1701, 576951), (5103, 192317)]