1767663

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 20

約数和(自身を含む): 2676520

約数和(自身を除く): 908857

約数列:

[1, 3, 9, 27, 81, 139, 157, 417, 471, 1251, 1413, 3753, 4239, 11259, 12717, 21823, 65469, 196407, 589221, 1767663]

約数ペア:

[(1, 1767663), (3, 589221), (9, 196407), (27, 65469), (81, 21823), (139, 12717), (157, 11259), (417, 4239), (471, 3753), (1251, 1413)]