27978717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7103}}^1$

素因数の和:7220

約数の個数: 16

約数和(自身を含む): 40578048

約数和(自身を除く): 12599331

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 7103, 21309, 92339, 277017, 717403, 2152209, 9326239, 27978717]

約数ペア:

[(1, 27978717), (3, 9326239), (13, 2152209), (39, 717403), (101, 277017), (303, 92339), (1313, 21309), (3939, 7103)]