209225811

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{20327}}^1$

素因数の和:20450

約数の個数: 16

約数和(自身を含む): 288820224

約数和(自身を除く): 79594413

約数列:

[1, 3, 47, 73, 141, 219, 3431, 10293, 20327, 60981, 955369, 1483871, 2866107, 4451613, 69741937, 209225811]

約数ペア:

[(1, 209225811), (3, 69741937), (47, 4451613), (73, 2866107), (141, 1483871), (219, 955369), (3431, 60981), (10293, 20327)]