7427043

素因数分解:

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

素因数の和:308

約数の個数: 36

約数和(自身を含む): 12275640

約数和(自身を除く): 4848597

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 257, 507, 741, 771, 1521, 2223, 2313, 3211, 3341, 4883, 9633, 10023, 14649, 28899, 30069, 43433, 43947, 63479, 130299, 190437, 390897, 571311, 825227, 2475681, 7427043]

約数ペア:

[(1, 7427043), (3, 2475681), (9, 825227), (13, 571311), (19, 390897), (39, 190437), (57, 130299), (117, 63479), (169, 43947), (171, 43433), (247, 30069), (257, 28899), (507, 14649), (741, 10023), (771, 9633), (1521, 4883), (2223, 3341), (2313, 3211)]