1722465

素因数分解:

$3^4\times 5^1\times {\mathrm{4253}}^1$

素因数の和:4270

約数の個数: 20

約数和(自身を含む): 3088404

約数和(自身を除く): 1365939

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4253, 12759, 21265, 38277, 63795, 114831, 191385, 344493, 574155, 1722465]

約数ペア:

[(1, 1722465), (3, 574155), (5, 344493), (9, 191385), (15, 114831), (27, 63795), (45, 38277), (81, 21265), (135, 12759), (405, 4253)]