31439889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14143}}^1$

素因数の和:14181

約数の個数: 24

約数和(自身を含む): 51484160

約数和(自身を除く): 20044271

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 14143, 42429, 127287, 183859, 268717, 551577, 806151, 1654731, 2418453, 3493321, 10479963, 31439889]

約数ペア:

[(1, 31439889), (3, 10479963), (9, 3493321), (13, 2418453), (19, 1654731), (39, 806151), (57, 551577), (117, 268717), (171, 183859), (247, 127287), (741, 42429), (2223, 14143)]