81975153

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{39659}}^1$

素因数の和:39728

約数の個数: 16

約数和(自身を含む): 119931840

約数和(自身を除く): 37956687

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 39659, 118977, 515567, 1546701, 2101927, 6305781, 27325051, 81975153]

約数ペア:

[(1, 81975153), (3, 27325051), (13, 6305781), (39, 2101927), (53, 1546701), (159, 515567), (689, 118977), (2067, 39659)]