249915861

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 444939264

約数和(自身を除く): 195023403

約数列:

[1, 3, 9, 13, 17, 23, 27, 39, 51, 69, 81, 117, 153, 207, 221, 299, 351, 391, 459, 607, 621, 663, 897, 1053, 1173, 1377, 1821, 1863, 1989, 2691, 3519, 5083, 5463, 5967, 7891, 8073, 10319, 10557, 13961, 15249, 16389, 17901, 23673, 24219, 30957, 31671, 41883, 45747, 49167, 71019, 92871, 125649, 134147, 137241, 181493, 213057, 237337, 278613, 376947, 402441, 411723, 544479, 639171, 712011, 835839, 1130841, 1207323, 1633437, 2136033, 3085381, 3621969, 4900311, 6408099, 9256143, 10865907, 14700933, 19224297, 27768429, 83305287, 249915861]

約数ペア:

[(1, 249915861), (3, 83305287), (9, 27768429), (13, 19224297), (17, 14700933), (23, 10865907), (27, 9256143), (39, 6408099), (51, 4900311), (69, 3621969), (81, 3085381), (117, 2136033), (153, 1633437), (207, 1207323), (221, 1130841), (299, 835839), (351, 712011), (391, 639171), (459, 544479), (607, 411723), (621, 402441), (663, 376947), (897, 278613), (1053, 237337), (1173, 213057), (1377, 181493), (1821, 137241), (1863, 134147), (1989, 125649), (2691, 92871), (3519, 71019), (5083, 49167), (5463, 45747), (5967, 41883), (7891, 31671), (8073, 30957), (10319, 24219), (10557, 23673), (13961, 17901), (15249, 16389)]