13965925

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{1933}}^1$

素因数の和:1977

約数の個数: 18

約数和(自身を含む): 18405878

約数和(自身を除く): 4439953

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 1933, 7225, 9665, 32861, 48325, 164305, 558637, 821525, 2793185, 13965925]

約数ペア:

[(1, 13965925), (5, 2793185), (17, 821525), (25, 558637), (85, 164305), (289, 48325), (425, 32861), (1445, 9665), (1933, 7225)]