18550431

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 29184000

約数和(自身を除く): 10633569

約数列:

[1, 3, 9, 27, 31, 37, 93, 111, 279, 333, 599, 837, 999, 1147, 1797, 3441, 5391, 10323, 16173, 18569, 22163, 30969, 55707, 66489, 167121, 199467, 501363, 598401, 687053, 2061159, 6183477, 18550431]

約数ペア:

[(1, 18550431), (3, 6183477), (9, 2061159), (27, 687053), (31, 598401), (37, 501363), (93, 199467), (111, 167121), (279, 66489), (333, 55707), (599, 30969), (837, 22163), (999, 18569), (1147, 16173), (1797, 10323), (3441, 5391)]