164331

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:87

約数の個数: 18

約数和(自身を含む): 258180

約数和(自身を除く): 93849

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 961, 1767, 2883, 5301, 8649, 18259, 54777, 164331]

約数ペア:

[(1, 164331), (3, 54777), (9, 18259), (19, 8649), (31, 5301), (57, 2883), (93, 1767), (171, 961), (279, 589)]