2017557321

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{19997}}^1$

素因数の和:20225

約数の個数: 24

約数和(自身を含む): 2927707200

約数和(自身を除く): 910149879

約数列:

[1, 3, 13, 39, 169, 199, 507, 597, 2587, 7761, 19997, 33631, 59991, 100893, 259961, 779883, 3379493, 3979403, 10138479, 11938209, 51732239, 155196717, 672519107, 2017557321]

約数ペア:

[(1, 2017557321), (3, 672519107), (13, 155196717), (39, 51732239), (169, 11938209), (199, 10138479), (507, 3979403), (597, 3379493), (2587, 779883), (7761, 259961), (19997, 100893), (33631, 59991)]