199744503

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{221201}}^1$

素因数の和:221254

約数の個数: 16

約数和(自身を含む): 311452416

約数和(自身を除く): 111707913

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 221201, 663603, 1548407, 4645221, 9511643, 28534929, 66581501, 199744503]

約数ペア:

[(1, 199744503), (3, 66581501), (7, 28534929), (21, 9511643), (43, 4645221), (129, 1548407), (301, 663603), (903, 221201)]