2156816235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{161741}}^1$

素因数の和:161883

約数の個数: 32

約数和(自身を含む): 3974971392

約数和(自身を除く): 1818155157

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1905, 2667, 4445, 13335, 161741, 485223, 808705, 1132187, 2426115, 3396561, 5660935, 16982805, 20541107, 61623321, 102705535, 143787749, 308116605, 431363247, 718938745, 2156816235]

約数ペア:

[(1, 2156816235), (3, 718938745), (5, 431363247), (7, 308116605), (15, 143787749), (21, 102705535), (35, 61623321), (105, 20541107), (127, 16982805), (381, 5660935), (635, 3396561), (889, 2426115), (1905, 1132187), (2667, 808705), (4445, 485223), (13335, 161741)]