66781677

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1997}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 90916992

約数和(自身を除く): 24135315

約数列:

[1, 3, 71, 157, 213, 471, 1997, 5991, 11147, 33441, 141787, 313529, 425361, 940587, 22260559, 66781677]

約数ペア:

[(1, 66781677), (3, 22260559), (71, 940587), (157, 425361), (213, 313529), (471, 141787), (1997, 33441), (5991, 11147)]