180543321

素因数分解:

$3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{6469}}^1$

素因数の和:6925

約数の個数: 24

約数和(自身を含む): 298758720

約数和(自身を除く): 118215399

約数列:

[1, 3, 7, 9, 21, 63, 443, 1329, 3101, 3987, 6469, 9303, 19407, 27909, 45283, 58221, 135849, 407547, 2865767, 8597301, 20060369, 25791903, 60181107, 180543321]

約数ペア:

[(1, 180543321), (3, 60181107), (7, 25791903), (9, 20060369), (21, 8597301), (63, 2865767), (443, 407547), (1329, 135849), (3101, 58221), (3987, 45283), (6469, 27909), (9303, 19407)]