306945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 561600

約数和(自身を除く): 254655

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 359, 855, 1077, 1795, 3231, 5385, 6821, 16155, 20463, 34105, 61389, 102315, 306945]

約数ペア:

[(1, 306945), (3, 102315), (5, 61389), (9, 34105), (15, 20463), (19, 16155), (45, 6821), (57, 5385), (95, 3231), (171, 1795), (285, 1077), (359, 855)]