571311

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 939120

約数和(自身を除く): 367809

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 257, 741, 771, 2223, 2313, 3341, 4883, 10023, 14649, 30069, 43947, 63479, 190437, 571311]

約数ペア:

[(1, 571311), (3, 190437), (9, 63479), (13, 43947), (19, 30069), (39, 14649), (57, 10023), (117, 4883), (171, 3341), (247, 2313), (257, 2223), (741, 771)]