131448471

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 235186560

約数和(自身を除く): 103738089

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 121, 179, 187, 231, 289, 357, 363, 537, 561, 847, 867, 1253, 1309, 1969, 2023, 2057, 2541, 3043, 3179, 3759, 3927, 5907, 6069, 6171, 9129, 9537, 13783, 14399, 21301, 21659, 22253, 33473, 34969, 41349, 43197, 51731, 63903, 64977, 66759, 100419, 104907, 151613, 155193, 234311, 244783, 362117, 368203, 454839, 569041, 702933, 734349, 1086351, 1104609, 1707123, 2577421, 3983287, 6259451, 7732263, 11949861, 18778353, 43816157, 131448471]

約数ペア:

[(1, 131448471), (3, 43816157), (7, 18778353), (11, 11949861), (17, 7732263), (21, 6259451), (33, 3983287), (51, 2577421), (77, 1707123), (119, 1104609), (121, 1086351), (179, 734349), (187, 702933), (231, 569041), (289, 454839), (357, 368203), (363, 362117), (537, 244783), (561, 234311), (847, 155193), (867, 151613), (1253, 104907), (1309, 100419), (1969, 66759), (2023, 64977), (2057, 63903), (2541, 51731), (3043, 43197), (3179, 41349), (3759, 34969), (3927, 33473), (5907, 22253), (6069, 21659), (6171, 21301), (9129, 14399), (9537, 13783)]