2019703221

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{538157}}^1$

素因数の和:538305

約数の個数: 16

約数和(自身を含む): 3013684800

約数和(自身を除く): 993981579

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 538157, 1614471, 4843413, 14530239, 74803823, 224411469, 673234407, 2019703221]

約数ペア:

[(1, 2019703221), (3, 673234407), (9, 224411469), (27, 74803823), (139, 14530239), (417, 4843413), (1251, 1614471), (3753, 538157)]