12072081

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2003}}^1$

素因数の和:2061

約数の個数: 24

約数和(自身を含む): 19190304

約数和(自身を除く): 7118223

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2003, 2009, 6009, 6027, 14021, 42063, 82123, 98147, 246369, 294441, 574861, 1724583, 4024027, 12072081]

約数ペア:

[(1, 12072081), (3, 4024027), (7, 1724583), (21, 574861), (41, 294441), (49, 246369), (123, 98147), (147, 82123), (287, 42063), (861, 14021), (2003, 6027), (2009, 6009)]