3640021

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 4652928

約数和(自身を除く): 1012907

約数列:

[1, 7, 11, 41, 77, 287, 451, 1153, 3157, 8071, 12683, 47273, 88781, 330911, 520003, 3640021]

約数ペア:

[(1, 3640021), (7, 520003), (11, 330911), (41, 88781), (77, 47273), (287, 12683), (451, 8071), (1153, 3157)]