7430787

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 13581568

約数和(自身を除く): 6150781

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 211, 273, 301, 387, 559, 633, 819, 903, 1477, 1677, 1899, 2709, 2743, 3913, 4431, 5031, 8229, 9073, 11739, 13293, 19201, 24687, 27219, 35217, 57603, 63511, 81657, 117949, 172809, 190533, 353847, 571599, 825643, 1061541, 2476929, 7430787]

約数ペア:

[(1, 7430787), (3, 2476929), (7, 1061541), (9, 825643), (13, 571599), (21, 353847), (39, 190533), (43, 172809), (63, 117949), (91, 81657), (117, 63511), (129, 57603), (211, 35217), (273, 27219), (301, 24687), (387, 19201), (559, 13293), (633, 11739), (819, 9073), (903, 8229), (1477, 5031), (1677, 4431), (1899, 3913), (2709, 2743)]