1790649

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 3029312

約数和(自身を除く): 1238663

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 661, 903, 1983, 2709, 4627, 5949, 13881, 28423, 41643, 85269, 198961, 255807, 596883, 1790649]

約数ペア:

[(1, 1790649), (3, 596883), (7, 255807), (9, 198961), (21, 85269), (43, 41643), (63, 28423), (129, 13881), (301, 5949), (387, 4627), (661, 2709), (903, 1983)]