2017874997

素因数分解:

$3^4\times {\mathrm{881}}^1\times {\mathrm{28277}}^1$

素因数の和:29170

約数の個数: 20

約数和(自身を含む): 3017884716

約数和(自身を除く): 1000009719

約数列:

[1, 3, 9, 27, 81, 881, 2643, 7929, 23787, 28277, 71361, 84831, 254493, 763479, 2290437, 24912037, 74736111, 224208333, 672624999, 2017874997]

約数ペア:

[(1, 2017874997), (3, 672624999), (9, 224208333), (27, 74736111), (81, 24912037), (881, 2290437), (2643, 763479), (7929, 254493), (23787, 84831), (28277, 71361)]