8765289

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3981

約数の個数: 24

約数和(自身を含む): 14356160

約数和(自身を除く): 5590871

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 3943, 11829, 35487, 51259, 74917, 153777, 224751, 461331, 674253, 973921, 2921763, 8765289]

約数ペア:

[(1, 8765289), (3, 2921763), (9, 973921), (13, 674253), (19, 461331), (39, 224751), (57, 153777), (117, 74917), (171, 51259), (247, 35487), (741, 11829), (2223, 3943)]