18078403203

素因数分解:

$3^6\times 7^1\times {\mathrm{3542701}}^1$

素因数の和:3542726

約数の個数: 28

約数和(自身を含む): 30977386288

約数和(自身を除く): 12898983085

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 3542701, 10628103, 24798907, 31884309, 74396721, 95652927, 223190163, 286958781, 669570489, 860876343, 2008711467, 2582629029, 6026134401, 18078403203]

約数ペア:

[(1, 18078403203), (3, 6026134401), (7, 2582629029), (9, 2008711467), (21, 860876343), (27, 669570489), (63, 286958781), (81, 223190163), (189, 95652927), (243, 74396721), (567, 31884309), (729, 24798907), (1701, 10628103), (5103, 3542701)]