28356393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 42883456

約数和(自身を除く): 14527063

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 457, 481, 559, 1371, 1443, 1591, 1677, 4773, 5941, 16909, 17823, 19651, 20683, 50727, 58953, 62049, 219817, 255463, 659451, 727087, 766389, 2181261, 9452131, 28356393]

約数ペア:

[(1, 28356393), (3, 9452131), (13, 2181261), (37, 766389), (39, 727087), (43, 659451), (111, 255463), (129, 219817), (457, 62049), (481, 58953), (559, 50727), (1371, 20683), (1443, 19651), (1591, 17823), (1677, 16909), (4773, 5941)]