28137309

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3313}}^1$

素因数の和:3484

約数の個数: 16

約数和(自身を含む): 39768000

約数和(自身を除く): 11630691

約数列:

[1, 3, 19, 57, 149, 447, 2831, 3313, 8493, 9939, 62947, 188841, 493637, 1480911, 9379103, 28137309]

約数ペア:

[(1, 28137309), (3, 9379103), (19, 1480911), (57, 493637), (149, 188841), (447, 62947), (2831, 9939), (3313, 8493)]