1980657

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 3307200

約数和(自身を除く): 1326543

約数列:

[1, 3, 7, 9, 21, 63, 149, 211, 447, 633, 1043, 1341, 1477, 1899, 3129, 4431, 9387, 13293, 31439, 94317, 220073, 282951, 660219, 1980657]

約数ペア:

[(1, 1980657), (3, 660219), (7, 282951), (9, 220073), (21, 94317), (63, 31439), (149, 13293), (211, 9387), (447, 4431), (633, 3129), (1043, 1899), (1341, 1477)]