71621391

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{26497}}^1$

素因数の和:26570

約数の個数: 16

約数和(自身を含む): 103024224

約数和(自身を除く): 31402833

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 26497, 79491, 450449, 1351347, 1404341, 4213023, 23873797, 71621391]

約数ペア:

[(1, 71621391), (3, 23873797), (17, 4213023), (51, 1404341), (53, 1351347), (159, 450449), (901, 79491), (2703, 26497)]