7740927

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:660

約数の個数: 20

約数和(自身を含む): 11642136

約数和(自身を除く): 3901209

約数列:

[1, 3, 9, 27, 81, 227, 421, 681, 1263, 2043, 3789, 6129, 11367, 18387, 34101, 95567, 286701, 860103, 2580309, 7740927]

約数ペア:

[(1, 7740927), (3, 2580309), (9, 860103), (27, 286701), (81, 95567), (227, 34101), (421, 18387), (681, 11367), (1263, 6129), (2043, 3789)]