1565001

素因数分解:

$3^4\times {\mathrm{139}}^2$

素因数の和:290

約数の個数: 15

約数和(自身を含む): 2354781

約数和(自身を除く): 789780

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 19321, 57963, 173889, 521667, 1565001]

約数ペア:

[(1, 1565001), (3, 521667), (9, 173889), (27, 57963), (81, 19321), (139, 11259), (417, 3753)]