12180321

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{11003}}^1$

素因数の和:11053

約数の個数: 16

約数和(自身を含む): 18486720

約数和(自身を除く): 6306399

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 11003, 33009, 99027, 297081, 451123, 1353369, 4060107, 12180321]

約数ペア:

[(1, 12180321), (3, 4060107), (9, 1353369), (27, 451123), (41, 297081), (123, 99027), (369, 33009), (1107, 11003)]