30838353

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 53932032

約数和(自身を除く): 23093679

約数列:

[1, 3, 7, 13, 21, 37, 39, 43, 71, 91, 111, 129, 213, 259, 273, 301, 481, 497, 559, 777, 903, 923, 1443, 1491, 1591, 1677, 2627, 2769, 3053, 3367, 3913, 4773, 6461, 7881, 9159, 10101, 11137, 11739, 18389, 19383, 20683, 21371, 33411, 34151, 39689, 55167, 62049, 64113, 102453, 112961, 119067, 144781, 239057, 277823, 338883, 434343, 717171, 790727, 833469, 1468493, 2372181, 4405479, 10279451, 30838353]

約数ペア:

[(1, 30838353), (3, 10279451), (7, 4405479), (13, 2372181), (21, 1468493), (37, 833469), (39, 790727), (43, 717171), (71, 434343), (91, 338883), (111, 277823), (129, 239057), (213, 144781), (259, 119067), (273, 112961), (301, 102453), (481, 64113), (497, 62049), (559, 55167), (777, 39689), (903, 34151), (923, 33411), (1443, 21371), (1491, 20683), (1591, 19383), (1677, 18389), (2627, 11739), (2769, 11137), (3053, 10101), (3367, 9159), (3913, 7881), (4773, 6461)]