81782967

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{18457}}^1$

素因数の和:18678

約数の個数: 16

約数和(自身を含む): 125219072

約数和(自身を除く): 43436105

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 18457, 55371, 129199, 387597, 3894427, 11683281, 27260989, 81782967]

約数ペア:

[(1, 81782967), (3, 27260989), (7, 11683281), (21, 3894427), (211, 387597), (633, 129199), (1477, 55371), (4431, 18457)]