20172060027

素因数分解:

$3^2\times 7^1\times {\mathrm{320191429}}^1$

素因数の和:320191442

約数の個数: 12

約数和(自身を含む): 33299908720

約数和(自身を除く): 13127848693

約数列:

[1, 3, 7, 9, 21, 63, 320191429, 960574287, 2241340003, 2881722861, 6724020009, 20172060027]

約数ペア:

[(1, 20172060027), (3, 6724020009), (7, 2881722861), (9, 2241340003), (21, 960574287), (63, 320191429)]