869125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:441

約数の個数: 16

約数和(自身を含む): 1151280

約数和(自身を除く): 282155

約数列:

[1, 5, 17, 25, 85, 125, 409, 425, 2045, 2125, 6953, 10225, 34765, 51125, 173825, 869125]

約数ペア:

[(1, 869125), (5, 173825), (17, 51125), (25, 34765), (85, 10225), (125, 6953), (409, 2125), (425, 2045)]