17125981

素因数分解:

${\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 12

約数和(自身を含む): 18016992

約数和(自身を除く): 891011

約数列:

[1, 31, 71, 251, 961, 2201, 7781, 17821, 68231, 241211, 552451, 17125981]

約数ペア:

[(1, 17125981), (31, 552451), (71, 241211), (251, 68231), (961, 17821), (2201, 7781)]