2173005

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 3857568

約数和(自身を除く): 1684563

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1123, 1935, 3369, 5615, 10107, 16845, 48289, 50535, 144867, 241445, 434601, 724335, 2173005]

約数ペア:

[(1, 2173005), (3, 724335), (5, 434601), (9, 241445), (15, 144867), (43, 50535), (45, 48289), (129, 16845), (215, 10107), (387, 5615), (645, 3369), (1123, 1935)]