81972333

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 120216096

約数和(自身を除く): 38243763

約数列:

[1, 3, 9, 131, 251, 277, 393, 753, 831, 1179, 2259, 2493, 32881, 36287, 69527, 98643, 108861, 208581, 295929, 326583, 625743, 9108037, 27324111, 81972333]

約数ペア:

[(1, 81972333), (3, 27324111), (9, 9108037), (131, 625743), (251, 326583), (277, 295929), (393, 208581), (753, 108861), (831, 98643), (1179, 69527), (2259, 36287), (2493, 32881)]