495317187

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 811087200

約数和(自身を除く): 315770013

約数列:

[1, 3, 9, 27, 29, 37, 41, 81, 87, 111, 123, 139, 261, 333, 369, 417, 783, 999, 1073, 1107, 1189, 1251, 1517, 2349, 2997, 3219, 3321, 3567, 3753, 4031, 4551, 5143, 5699, 9657, 10701, 11259, 12093, 13653, 15429, 17097, 28971, 32103, 36279, 40959, 43993, 46287, 51291, 86913, 96309, 108837, 122877, 131979, 138861, 149147, 153873, 165271, 210863, 326511, 395937, 416583, 447441, 461619, 495813, 632589, 1187811, 1342323, 1487439, 1897767, 3563433, 4026969, 4462317, 5693301, 6115027, 12080907, 13386951, 17079903, 18345081, 55035243, 165105729, 495317187]

約数ペア:

[(1, 495317187), (3, 165105729), (9, 55035243), (27, 18345081), (29, 17079903), (37, 13386951), (41, 12080907), (81, 6115027), (87, 5693301), (111, 4462317), (123, 4026969), (139, 3563433), (261, 1897767), (333, 1487439), (369, 1342323), (417, 1187811), (783, 632589), (999, 495813), (1073, 461619), (1107, 447441), (1189, 416583), (1251, 395937), (1517, 326511), (2349, 210863), (2997, 165271), (3219, 153873), (3321, 149147), (3567, 138861), (3753, 131979), (4031, 122877), (4551, 108837), (5143, 96309), (5699, 86913), (9657, 51291), (10701, 46287), (11259, 43993), (12093, 40959), (13653, 36279), (15429, 32103), (17097, 28971)]