27638559

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12433}}^1$

素因数の和:12471

約数の個数: 24

約数和(自身を含む): 45259760

約数和(自身を除く): 17621201

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12433, 37299, 111897, 161629, 236227, 484887, 708681, 1454661, 2126043, 3070951, 9212853, 27638559]

約数ペア:

[(1, 27638559), (3, 9212853), (9, 3070951), (13, 2126043), (19, 1454661), (39, 708681), (57, 484887), (117, 236227), (171, 161629), (247, 111897), (741, 37299), (2223, 12433)]