2011131981

素因数分解:

$3^2\times {\mathrm{27901}}^1\times {\mathrm{8009}}^1$

素因数の和:35916

約数の個数: 12

約数和(自身を含む): 2905435260

約数和(自身を除く): 894303279

約数列:

[1, 3, 9, 8009, 24027, 27901, 72081, 83703, 251109, 223459109, 670377327, 2011131981]

約数ペア:

[(1, 2011131981), (3, 670377327), (9, 223459109), (8009, 251109), (24027, 83703), (27901, 72081)]