2070279

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 20

約数和(自身を含む): 3150840

約数和(自身を除く): 1080561

約数列:

[1, 3, 9, 27, 61, 81, 183, 419, 549, 1257, 1647, 3771, 4941, 11313, 25559, 33939, 76677, 230031, 690093, 2070279]

約数ペア:

[(1, 2070279), (3, 690093), (9, 230031), (27, 76677), (61, 33939), (81, 25559), (183, 11313), (419, 4941), (549, 3771), (1257, 1647)]