2021033997

素因数分解:

$3^4\times {\mathrm{1831}}^1\times {\mathrm{13627}}^1$

素因数の和:15470

約数の個数: 20

約数和(自身を含む): 3020946016

約数和(自身を除く): 999912019

約数列:

[1, 3, 9, 27, 81, 1831, 5493, 13627, 16479, 40881, 49437, 122643, 148311, 367929, 1103787, 24951037, 74853111, 224559333, 673677999, 2021033997]

約数ペア:

[(1, 2021033997), (3, 673677999), (9, 224559333), (27, 74853111), (81, 24951037), (1831, 1103787), (5493, 367929), (13627, 148311), (16479, 122643), (40881, 49437)]