28327383

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2131}}^1$

素因数の和:2355

約数の個数: 24

約数和(自身を含む): 47006336

約数和(自身を除く): 18678953

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1899, 2131, 4431, 6393, 13293, 14917, 19179, 44751, 134253, 449641, 1348923, 3147487, 4046769, 9442461, 28327383]

約数ペア:

[(1, 28327383), (3, 9442461), (7, 4046769), (9, 3147487), (21, 1348923), (63, 449641), (211, 134253), (633, 44751), (1477, 19179), (1899, 14917), (2131, 13293), (4431, 6393)]