287826678531

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1\times {\mathrm{757}}^1$

素因数の和:1306

約数の個数: 128

約数和(自身を含む): 504893491200

約数和(自身を除く): 217066812669

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 139, 189, 287, 353, 369, 417, 757, 861, 973, 1059, 1107, 1251, 2271, 2471, 2583, 2919, 3177, 3753, 5299, 5699, 6813, 7413, 7749, 8757, 9531, 14473, 15897, 17097, 20439, 22239, 26271, 31037, 39893, 43419, 47691, 49067, 51291, 66717, 93111, 101311, 105223, 119679, 130257, 143073, 147201, 153873, 217259, 267221, 279333, 303933, 315669, 343469, 359037, 390771, 441603, 651777, 736561, 801663, 837999, 911799, 947007, 1030407, 1077111, 1324809, 1870547, 1955331, 2011747, 2209683, 2404989, 2735397, 2841021, 3091221, 4314143, 5611641, 5865993, 6035241, 6629049, 7214967, 9273663, 10956061, 12942429, 14082229, 16834923, 18105723, 19887147, 30199001, 32868183, 37143719, 38827287, 42246687, 50504769, 54317169, 76692427, 90597003, 98604549, 111431157, 116481861, 126740061, 230077281, 260006033, 271791009, 295813647, 334293471, 380220183, 690231843, 780018099, 815373027, 1002880413, 1522892479, 2070695529, 2340054297, 4568677437, 7020162891, 10660247353, 13706032311, 31980742059, 41118096933, 95942226177, 287826678531]

約数ペア:

[(1, 287826678531), (3, 95942226177), (7, 41118096933), (9, 31980742059), (21, 13706032311), (27, 10660247353), (41, 7020162891), (63, 4568677437), (123, 2340054297), (139, 2070695529), (189, 1522892479), (287, 1002880413), (353, 815373027), (369, 780018099), (417, 690231843), (757, 380220183), (861, 334293471), (973, 295813647), (1059, 271791009), (1107, 260006033), (1251, 230077281), (2271, 126740061), (2471, 116481861), (2583, 111431157), (2919, 98604549), (3177, 90597003), (3753, 76692427), (5299, 54317169), (5699, 50504769), (6813, 42246687), (7413, 38827287), (7749, 37143719), (8757, 32868183), (9531, 30199001), (14473, 19887147), (15897, 18105723), (17097, 16834923), (20439, 14082229), (22239, 12942429), (26271, 10956061), (31037, 9273663), (39893, 7214967), (43419, 6629049), (47691, 6035241), (49067, 5865993), (51291, 5611641), (66717, 4314143), (93111, 3091221), (101311, 2841021), (105223, 2735397), (119679, 2404989), (130257, 2209683), (143073, 2011747), (147201, 1955331), (153873, 1870547), (217259, 1324809), (267221, 1077111), (279333, 1030407), (303933, 947007), (315669, 911799), (343469, 837999), (359037, 801663), (390771, 736561), (441603, 651777)]