64601691

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 116121600

約数和(自身を除く): 51519909

約数列:

[1, 3, 7, 11, 19, 21, 33, 41, 57, 77, 123, 133, 209, 231, 287, 359, 399, 451, 627, 779, 861, 1077, 1353, 1463, 2337, 2513, 3157, 3949, 4389, 5453, 6821, 7539, 8569, 9471, 11847, 14719, 16359, 20463, 25707, 27643, 44157, 47747, 59983, 75031, 82929, 103033, 143241, 161909, 179949, 225093, 279661, 309099, 485727, 525217, 838983, 1133363, 1575651, 1957627, 3076271, 3400089, 5872881, 9228813, 21533897, 64601691]

約数ペア:

[(1, 64601691), (3, 21533897), (7, 9228813), (11, 5872881), (19, 3400089), (21, 3076271), (33, 1957627), (41, 1575651), (57, 1133363), (77, 838983), (123, 525217), (133, 485727), (209, 309099), (231, 279661), (287, 225093), (359, 179949), (399, 161909), (451, 143241), (627, 103033), (779, 82929), (861, 75031), (1077, 59983), (1353, 47747), (1463, 44157), (2337, 27643), (2513, 25707), (3157, 20463), (3949, 16359), (4389, 14719), (5453, 11847), (6821, 9471), (7539, 8569)]