27918009

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{881}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 46230912

約数和(自身を除く): 18312903

約数列:

[1, 3, 7, 9, 21, 63, 503, 881, 1509, 2643, 3521, 4527, 6167, 7929, 10563, 18501, 31689, 55503, 443143, 1329429, 3102001, 3988287, 9306003, 27918009]

約数ペア:

[(1, 27918009), (3, 9306003), (7, 3988287), (9, 3102001), (21, 1329429), (63, 443143), (503, 55503), (881, 31689), (1509, 18501), (2643, 10563), (3521, 7929), (4527, 6167)]