208066005

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:895

約数の個数: 72

約数和(自身を含む): 423401472

約数和(自身を除く): 215335467

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 127, 147, 245, 315, 381, 441, 635, 735, 743, 889, 1143, 1905, 2205, 2229, 2667, 3715, 4445, 5201, 5715, 6223, 6687, 8001, 11145, 13335, 15603, 18669, 26005, 31115, 33435, 36407, 40005, 46809, 56007, 78015, 93345, 94361, 109221, 182035, 234045, 280035, 283083, 327663, 471805, 546105, 660527, 849249, 1415415, 1638315, 1981581, 3302635, 4246245, 4623689, 5944743, 9907905, 13871067, 23118445, 29723715, 41613201, 69355335, 208066005]

約数ペア:

[(1, 208066005), (3, 69355335), (5, 41613201), (7, 29723715), (9, 23118445), (15, 13871067), (21, 9907905), (35, 5944743), (45, 4623689), (49, 4246245), (63, 3302635), (105, 1981581), (127, 1638315), (147, 1415415), (245, 849249), (315, 660527), (381, 546105), (441, 471805), (635, 327663), (735, 283083), (743, 280035), (889, 234045), (1143, 182035), (1905, 109221), (2205, 94361), (2229, 93345), (2667, 78015), (3715, 56007), (4445, 46809), (5201, 40005), (5715, 36407), (6223, 33435), (6687, 31115), (8001, 26005), (11145, 18669), (13335, 15603)]