86971275

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 165636224

約数和(自身を除く): 78664949

約数列:

[1, 3, 5, 9, 15, 25, 31, 37, 45, 75, 93, 111, 155, 185, 225, 279, 333, 337, 465, 555, 775, 925, 1011, 1147, 1395, 1665, 1685, 2325, 2775, 3033, 3441, 5055, 5735, 6975, 8325, 8425, 10323, 10447, 12469, 15165, 17205, 25275, 28675, 31341, 37407, 51615, 52235, 62345, 75825, 86025, 94023, 112221, 156705, 187035, 258075, 261175, 311725, 386539, 470115, 561105, 783525, 935175, 1159617, 1932695, 2350575, 2805525, 3478851, 5798085, 9663475, 17394255, 28990425, 86971275]

約数ペア:

[(1, 86971275), (3, 28990425), (5, 17394255), (9, 9663475), (15, 5798085), (25, 3478851), (31, 2805525), (37, 2350575), (45, 1932695), (75, 1159617), (93, 935175), (111, 783525), (155, 561105), (185, 470115), (225, 386539), (279, 311725), (333, 261175), (337, 258075), (465, 187035), (555, 156705), (775, 112221), (925, 94023), (1011, 86025), (1147, 75825), (1395, 62345), (1665, 52235), (1685, 51615), (2325, 37407), (2775, 31341), (3033, 28675), (3441, 25275), (5055, 17205), (5735, 15165), (6975, 12469), (8325, 10447), (8425, 10323)]