87640317

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{10133}}^1$

素因数の和:10201

約数の個数: 18

約数和(自身を含む): 130819806

約数和(自身を除く): 43179489

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 8649, 10133, 30399, 91197, 314123, 942369, 2827107, 9737813, 29213439, 87640317]

約数ペア:

[(1, 87640317), (3, 29213439), (9, 9737813), (31, 2827107), (93, 942369), (279, 314123), (961, 91197), (2883, 30399), (8649, 10133)]