256827777

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{64223}}^1$

素因数の和:64300

約数の個数: 16

約数和(自身を含む): 361709568

約数和(自身を除く): 104881791

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 64223, 192669, 1990913, 2761589, 5972739, 8284767, 85609259, 256827777]

約数ペア:

[(1, 256827777), (3, 85609259), (31, 8284767), (43, 5972739), (93, 2761589), (129, 1990913), (1333, 192669), (3999, 64223)]