208032321

素因数分解:

$3^1\times 7^1\times {\mathrm{3001}}^1\times {\mathrm{3301}}^1$

素因数の和:6312

約数の個数: 16

約数和(自身を含む): 317203328

約数和(自身を除く): 109171007

約数列:

[1, 3, 7, 21, 3001, 3301, 9003, 9903, 21007, 23107, 63021, 69321, 9906301, 29718903, 69344107, 208032321]

約数ペア:

[(1, 208032321), (3, 69344107), (7, 29718903), (21, 9906301), (3001, 69321), (3301, 63021), (9003, 23107), (9903, 21007)]