28188027

素因数分解:

$3^3\times 7^1\times {\mathrm{149143}}^1$

素因数の和:149159

約数の個数: 16

約数和(自身を含む): 47726080

約数和(自身を除く): 19538053

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 149143, 447429, 1044001, 1342287, 3132003, 4026861, 9396009, 28188027]

約数ペア:

[(1, 28188027), (3, 9396009), (7, 4026861), (9, 3132003), (21, 1342287), (27, 1044001), (63, 447429), (189, 149143)]