71580201

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 128286720

約数和(自身を除く): 56706519

約数列:

[1, 3, 7, 11, 19, 21, 33, 47, 57, 77, 133, 141, 209, 231, 329, 347, 399, 517, 627, 893, 987, 1041, 1463, 1551, 2429, 2679, 3619, 3817, 4389, 6251, 6593, 7287, 9823, 10857, 11451, 16309, 18753, 19779, 26719, 29469, 46151, 48927, 68761, 72523, 80157, 114163, 138453, 179399, 206283, 217569, 309871, 342489, 507661, 538197, 929613, 1255793, 1522983, 2169097, 3408581, 3767379, 6507291, 10225743, 23860067, 71580201]

約数ペア:

[(1, 71580201), (3, 23860067), (7, 10225743), (11, 6507291), (19, 3767379), (21, 3408581), (33, 2169097), (47, 1522983), (57, 1255793), (77, 929613), (133, 538197), (141, 507661), (209, 342489), (231, 309871), (329, 217569), (347, 206283), (399, 179399), (517, 138453), (627, 114163), (893, 80157), (987, 72523), (1041, 68761), (1463, 48927), (1551, 46151), (2429, 29469), (2679, 26719), (3619, 19779), (3817, 18753), (4389, 16309), (6251, 11451), (6593, 10857), (7287, 9823)]