81041885

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{5309}}^1$

素因数の和:5428

約数の個数: 16

約数和(自身を含む): 100932480

約数和(自身を除く): 19890595

約数列:

[1, 5, 43, 71, 215, 355, 3053, 5309, 15265, 26545, 228287, 376939, 1141435, 1884695, 16208377, 81041885]

約数ペア:

[(1, 81041885), (5, 16208377), (43, 1884695), (71, 1141435), (215, 376939), (355, 228287), (3053, 26545), (5309, 15265)]