1256392017

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{87743}}^1$

素因数の和:87829

約数の個数: 24

約数和(自身を含む): 1907203584

約数和(自身を除く): 650811567

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1591, 4773, 14319, 87743, 263229, 789687, 3246491, 3772949, 9739473, 11318847, 29218419, 33956541, 139599113, 418797339, 1256392017]

約数ペア:

[(1, 1256392017), (3, 418797339), (9, 139599113), (37, 33956541), (43, 29218419), (111, 11318847), (129, 9739473), (333, 3772949), (387, 3246491), (1591, 789687), (4773, 263229), (14319, 87743)]