9009990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 26956800

約数和(自身を除く): 17946810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 66, 90, 95, 99, 110, 114, 165, 171, 190, 198, 209, 285, 330, 342, 418, 479, 495, 570, 627, 855, 958, 990, 1045, 1254, 1437, 1710, 1881, 2090, 2395, 2874, 3135, 3762, 4311, 4790, 5269, 6270, 7185, 8622, 9101, 9405, 10538, 14370, 15807, 18202, 18810, 21555, 26345, 27303, 31614, 43110, 45505, 47421, 52690, 54606, 79035, 81909, 91010, 94842, 100111, 136515, 158070, 163818, 200222, 237105, 273030, 300333, 409545, 474210, 500555, 600666, 819090, 900999, 1001110, 1501665, 1801998, 3003330, 4504995, 9009990]

約数ペア:

[(1, 9009990), (2, 4504995), (3, 3003330), (5, 1801998), (6, 1501665), (9, 1001110), (10, 900999), (11, 819090), (15, 600666), (18, 500555), (19, 474210), (22, 409545), (30, 300333), (33, 273030), (38, 237105), (45, 200222), (55, 163818), (57, 158070), (66, 136515), (90, 100111), (95, 94842), (99, 91010), (110, 81909), (114, 79035), (165, 54606), (171, 52690), (190, 47421), (198, 45505), (209, 43110), (285, 31614), (330, 27303), (342, 26345), (418, 21555), (479, 18810), (495, 18202), (570, 15807), (627, 14370), (855, 10538), (958, 9405), (990, 9101), (1045, 8622), (1254, 7185), (1437, 6270), (1710, 5269), (1881, 4790), (2090, 4311), (2395, 3762), (2874, 3135)]