399902139

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 773427200

約数和(自身を除く): 373525061

約数列:

[1, 3, 7, 9, 13, 19, 21, 31, 39, 57, 63, 91, 93, 117, 133, 171, 217, 247, 273, 279, 399, 403, 589, 651, 741, 819, 829, 1197, 1209, 1729, 1767, 1953, 2223, 2487, 2821, 3627, 4123, 5187, 5301, 5803, 7461, 7657, 8463, 10777, 12369, 15561, 15751, 17409, 22971, 25389, 25699, 32331, 37107, 47253, 52227, 53599, 68913, 75439, 77097, 96993, 110257, 141759, 160797, 179893, 204763, 226317, 231291, 330771, 334087, 482391, 488281, 539679, 614289, 678951, 992313, 1002261, 1433341, 1464843, 1619037, 1842867, 2338609, 3006783, 3417967, 4300023, 4394529, 6347653, 7015827, 10253901, 12900069, 19042959, 21047481, 30761703, 44433571, 57128877, 133300713, 399902139]

約数ペア:

[(1, 399902139), (3, 133300713), (7, 57128877), (9, 44433571), (13, 30761703), (19, 21047481), (21, 19042959), (31, 12900069), (39, 10253901), (57, 7015827), (63, 6347653), (91, 4394529), (93, 4300023), (117, 3417967), (133, 3006783), (171, 2338609), (217, 1842867), (247, 1619037), (273, 1464843), (279, 1433341), (399, 1002261), (403, 992313), (589, 678951), (651, 614289), (741, 539679), (819, 488281), (829, 482391), (1197, 334087), (1209, 330771), (1729, 231291), (1767, 226317), (1953, 204763), (2223, 179893), (2487, 160797), (2821, 141759), (3627, 110257), (4123, 96993), (5187, 77097), (5301, 75439), (5803, 68913), (7461, 53599), (7657, 52227), (8463, 47253), (10777, 37107), (12369, 32331), (15561, 25699), (15751, 25389), (17409, 22971)]