20830131

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1567}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 34571264

約数和(自身を除く): 13741133

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1567, 1899, 4431, 4701, 10969, 13293, 14103, 32907, 98721, 330637, 991911, 2314459, 2975733, 6943377, 20830131]

約数ペア:

[(1, 20830131), (3, 6943377), (7, 2975733), (9, 2314459), (21, 991911), (63, 330637), (211, 98721), (633, 32907), (1477, 14103), (1567, 13293), (1899, 10969), (4431, 4701)]