80731861

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{5701}}^1$

素因数の和:5749

約数の個数: 18

約数和(自身を含む): 99779298

約数和(自身を除く): 19047437

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 5701, 14161, 39907, 96917, 279349, 678419, 1647589, 4748933, 11533123, 80731861]

約数ペア:

[(1, 80731861), (7, 11533123), (17, 4748933), (49, 1647589), (119, 678419), (289, 279349), (833, 96917), (2023, 39907), (5701, 14161)]