3938155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1470

約数の個数: 16

約数和(自身を含む): 5211360

約数和(自身を除く): 1273205

約数列:

[1, 5, 13, 43, 65, 215, 559, 1409, 2795, 7045, 18317, 60587, 91585, 302935, 787631, 3938155]

約数ペア:

[(1, 3938155), (5, 787631), (13, 302935), (43, 91585), (65, 60587), (215, 18317), (559, 7045), (1409, 2795)]