81561657

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{7529}}^1$

素因数の和:7712

約数の個数: 16

約数和(自身を含む): 114215040

約数和(自身を除く): 32653383

約数列:

[1, 3, 23, 69, 157, 471, 3611, 7529, 10833, 22587, 173167, 519501, 1182053, 3546159, 27187219, 81561657]

約数ペア:

[(1, 81561657), (3, 27187219), (23, 3546159), (69, 1182053), (157, 519501), (471, 173167), (3611, 22587), (7529, 10833)]