121412005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 176964480

約数和(自身を除く): 55552475

約数列:

[1, 5, 11, 13, 43, 55, 65, 121, 143, 215, 359, 473, 559, 605, 715, 1573, 1795, 2365, 2795, 3949, 4667, 5203, 6149, 7865, 15437, 19745, 23335, 26015, 30745, 43439, 51337, 67639, 77185, 169807, 200681, 217195, 256685, 338195, 564707, 849035, 1003405, 1867877, 2207491, 2823535, 9339385, 11037455, 24282401, 121412005]

約数ペア:

[(1, 121412005), (5, 24282401), (11, 11037455), (13, 9339385), (43, 2823535), (55, 2207491), (65, 1867877), (121, 1003405), (143, 849035), (215, 564707), (359, 338195), (473, 256685), (559, 217195), (605, 200681), (715, 169807), (1573, 77185), (1795, 67639), (2365, 51337), (2795, 43439), (3949, 30745), (4667, 26015), (5203, 23335), (6149, 19745), (7865, 15437)]