20187180531

素因数分解:

$3^5\times 7^1\times {\mathrm{11867831}}^1$

素因数の和:11867853

約数の個数: 24

約数和(自身を含む): 34559126784

約数和(自身を除く): 14371946253

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 11867831, 35603493, 83074817, 106810479, 249224451, 320431437, 747673353, 961294311, 2243020059, 2883882933, 6729060177, 20187180531]

約数ペア:

[(1, 20187180531), (3, 6729060177), (7, 2883882933), (9, 2243020059), (21, 961294311), (27, 747673353), (63, 320431437), (81, 249224451), (189, 106810479), (243, 83074817), (567, 35603493), (1701, 11867831)]