208048005

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 417449760

約数和(自身を除く): 209401755

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 121, 165, 171, 209, 285, 363, 495, 605, 627, 855, 1045, 1089, 1815, 1881, 2011, 2299, 3135, 5445, 6033, 6897, 9405, 10055, 11495, 18099, 20691, 22121, 30165, 34485, 38209, 66363, 90495, 103455, 110605, 114627, 191045, 199089, 243331, 331815, 343881, 420299, 573135, 729993, 995445, 1216655, 1260897, 1719405, 2101495, 2189979, 3649965, 3782691, 4623289, 6304485, 10949895, 13869867, 18913455, 23116445, 41609601, 69349335, 208048005]

約数ペア:

[(1, 208048005), (3, 69349335), (5, 41609601), (9, 23116445), (11, 18913455), (15, 13869867), (19, 10949895), (33, 6304485), (45, 4623289), (55, 3782691), (57, 3649965), (95, 2189979), (99, 2101495), (121, 1719405), (165, 1260897), (171, 1216655), (209, 995445), (285, 729993), (363, 573135), (495, 420299), (605, 343881), (627, 331815), (855, 243331), (1045, 199089), (1089, 191045), (1815, 114627), (1881, 110605), (2011, 103455), (2299, 90495), (3135, 66363), (5445, 38209), (6033, 34485), (6897, 30165), (9405, 22121), (10055, 20691), (11495, 18099)]