389600253

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47939}}^1$

素因数の和:47998

約数の個数: 32

約数和(自身を含む): 674995200

約数和(自身を除く): 285394947

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 47939, 143817, 335573, 431451, 1006719, 1294353, 2061377, 3020157, 6184131, 9060471, 14429639, 18552393, 43288917, 55657179, 129866751, 389600253]

約数ペア:

[(1, 389600253), (3, 129866751), (7, 55657179), (9, 43288917), (21, 18552393), (27, 14429639), (43, 9060471), (63, 6184131), (129, 3020157), (189, 2061377), (301, 1294353), (387, 1006719), (903, 431451), (1161, 335573), (2709, 143817), (8127, 47939)]