2580309

素因数分解:

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

素因数の和:657

約数の個数: 16

約数和(自身を含む): 3848640

約数和(自身を除く): 1268331

約数列:

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

約数ペア:

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