64370271

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1213}}^1$

素因数の和:1268

約数の個数: 36

約数和(自身を含む): 105457752

約数和(自身を除く): 41087481

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 931, 1083, 1213, 2527, 2793, 3639, 7581, 8491, 17689, 23047, 25473, 53067, 59437, 69141, 161329, 178311, 437893, 483987, 1129303, 1313679, 3065251, 3387909, 9195753, 21456757, 64370271]

約数ペア:

[(1, 64370271), (3, 21456757), (7, 9195753), (19, 3387909), (21, 3065251), (49, 1313679), (57, 1129303), (133, 483987), (147, 437893), (361, 178311), (399, 161329), (931, 69141), (1083, 59437), (1213, 53067), (2527, 25473), (2793, 23047), (3639, 17689), (7581, 8491)]