81715389

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{24169}}^1$

素因数の和:24209

約数の個数: 24

約数和(自身を含む): 132258240

約数和(自身を除く): 50542851

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 24169, 72507, 169183, 507549, 555887, 1184281, 1667661, 3552843, 3891209, 11673627, 27238463, 81715389]

約数ペア:

[(1, 81715389), (3, 27238463), (7, 11673627), (21, 3891209), (23, 3552843), (49, 1667661), (69, 1184281), (147, 555887), (161, 507549), (483, 169183), (1127, 72507), (3381, 24169)]