28016391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42257}}^1$

素因数の和:42290

約数の個数: 16

約数和(自身を含む): 42596064

約数和(自身を除く): 14579673

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 42257, 126771, 549341, 718369, 1648023, 2155107, 9338797, 28016391]

約数ペア:

[(1, 28016391), (3, 9338797), (13, 2155107), (17, 1648023), (39, 718369), (51, 549341), (221, 126771), (663, 42257)]