67640937

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{247769}}^1$

素因数の和:247792

約数の個数: 16

約数和(自身を含む): 111000960

約数和(自身を除く): 43360023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 247769, 743307, 1734383, 3220997, 5203149, 9662991, 22546979, 67640937]

約数ペア:

[(1, 67640937), (3, 22546979), (7, 9662991), (13, 5203149), (21, 3220997), (39, 1734383), (91, 743307), (273, 247769)]