81197253

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{530701}}^1$

素因数の和:530724

約数の個数: 12

約数和(自身を含む): 124184268

約数和(自身を除く): 42987015

約数列:

[1, 3, 9, 17, 51, 153, 530701, 1592103, 4776309, 9021917, 27065751, 81197253]

約数ペア:

[(1, 81197253), (3, 27065751), (9, 9021917), (17, 4776309), (51, 1592103), (153, 530701)]