491036247

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{220889}}^1$

素因数の和:220927

約数の個数: 24

約数和(自身を含む): 804039600

約数和(自身を除く): 313003353

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 220889, 662667, 1988001, 2871557, 4196891, 8614671, 12590673, 25844013, 37772019, 54559583, 163678749, 491036247]

約数ペア:

[(1, 491036247), (3, 163678749), (9, 54559583), (13, 37772019), (19, 25844013), (39, 12590673), (57, 8614671), (117, 4196891), (171, 2871557), (247, 1988001), (741, 662667), (2223, 220889)]