209777727

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{15271}}^1$

素因数の和:15534

約数の個数: 16

約数和(自身を含む): 295665920

約数和(自身を除く): 85888193

約数列:

[1, 3, 19, 57, 241, 723, 4579, 13737, 15271, 45813, 290149, 870447, 3680311, 11040933, 69925909, 209777727]

約数ペア:

[(1, 209777727), (3, 69925909), (19, 11040933), (57, 3680311), (241, 870447), (723, 290149), (4579, 45813), (13737, 15271)]