42021279

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{65761}}^1$

素因数の和:65838

約数の個数: 12

約数和(自身を含む): 61553232

約数和(自身を除く): 19531953

約数列:

[1, 3, 9, 71, 213, 639, 65761, 197283, 591849, 4669031, 14007093, 42021279]

約数ペア:

[(1, 42021279), (3, 14007093), (9, 4669031), (71, 591849), (213, 197283), (639, 65761)]