71305905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 132838272

約数和(自身を除く): 61532367

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 561, 605, 935, 1815, 2057, 2311, 2805, 6171, 6933, 10285, 11555, 25421, 30855, 34665, 39287, 76263, 117861, 127105, 196435, 279631, 381315, 432157, 589305, 838893, 1296471, 1398155, 2160785, 4194465, 4753727, 6482355, 14261181, 23768635, 71305905]

約数ペア:

[(1, 71305905), (3, 23768635), (5, 14261181), (11, 6482355), (15, 4753727), (17, 4194465), (33, 2160785), (51, 1398155), (55, 1296471), (85, 838893), (121, 589305), (165, 432157), (187, 381315), (255, 279631), (363, 196435), (561, 127105), (605, 117861), (935, 76263), (1815, 39287), (2057, 34665), (2311, 30855), (2805, 25421), (6171, 11555), (6933, 10285)]