208010385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1359

約数の個数: 96

約数和(自身を含む): 438721920

約数和(自身を除く): 230711535

約数列:

[1, 3, 5, 9, 11, 15, 17, 19, 33, 45, 51, 55, 57, 85, 95, 99, 153, 165, 171, 187, 209, 255, 285, 323, 495, 561, 627, 765, 855, 935, 969, 1045, 1301, 1615, 1683, 1881, 2805, 2907, 3135, 3553, 3903, 4845, 6505, 8415, 9405, 10659, 11709, 14311, 14535, 17765, 19515, 22117, 24719, 31977, 42933, 53295, 58545, 66351, 71555, 74157, 110585, 123595, 128799, 159885, 199053, 214665, 222471, 243287, 271909, 331755, 370785, 420223, 643995, 729861, 815727, 995265, 1112355, 1216435, 1260669, 1359545, 2101115, 2189583, 2447181, 3649305, 3782007, 4078635, 4622453, 6303345, 10947915, 12235905, 13867359, 18910035, 23112265, 41602077, 69336795, 208010385]

約数ペア:

[(1, 208010385), (3, 69336795), (5, 41602077), (9, 23112265), (11, 18910035), (15, 13867359), (17, 12235905), (19, 10947915), (33, 6303345), (45, 4622453), (51, 4078635), (55, 3782007), (57, 3649305), (85, 2447181), (95, 2189583), (99, 2101115), (153, 1359545), (165, 1260669), (171, 1216435), (187, 1112355), (209, 995265), (255, 815727), (285, 729861), (323, 643995), (495, 420223), (561, 370785), (627, 331755), (765, 271909), (855, 243287), (935, 222471), (969, 214665), (1045, 199053), (1301, 159885), (1615, 128799), (1683, 123595), (1881, 110585), (2805, 74157), (2907, 71555), (3135, 66351), (3553, 58545), (3903, 53295), (4845, 42933), (6505, 31977), (8415, 24719), (9405, 22117), (10659, 19515), (11709, 17765), (14311, 14535)]