15165275

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{2099}}^1$

素因数の和:2143

約数の個数: 18

約数和(自身を含む): 19985700

約数和(自身を除く): 4820425

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 2099, 7225, 10495, 35683, 52475, 178415, 606611, 892075, 3033055, 15165275]

約数ペア:

[(1, 15165275), (5, 3033055), (17, 892075), (25, 606611), (85, 178415), (289, 52475), (425, 35683), (1445, 10495), (2099, 7225)]