1890291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2586

約数の個数: 16

約数和(自身を含む): 2858240

約数和(自身を除く): 967949

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 2551, 7653, 33163, 48469, 99489, 145407, 630097, 1890291]

約数ペア:

[(1, 1890291), (3, 630097), (13, 145407), (19, 99489), (39, 48469), (57, 33163), (247, 7653), (741, 2551)]