28913307

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2549}}^1$

素因数の和:2770

約数の個数: 16

約数和(自身を含む): 40800000

約数和(自身を除く): 11886693

約数列:

[1, 3, 19, 57, 199, 597, 2549, 3781, 7647, 11343, 48431, 145293, 507251, 1521753, 9637769, 28913307]

約数ペア:

[(1, 28913307), (3, 9637769), (19, 1521753), (57, 507251), (199, 145293), (597, 48431), (2549, 11343), (3781, 7647)]