30081303

素因数分解:

$3^2\times 7^1\times {\mathrm{691}}^2$

素因数の和:1395

約数の個数: 18

約数和(自身を含む): 49729992

約数和(自身を除く): 19648689

約数列:

[1, 3, 7, 9, 21, 63, 691, 2073, 4837, 6219, 14511, 43533, 477481, 1432443, 3342367, 4297329, 10027101, 30081303]

約数ペア:

[(1, 30081303), (3, 10027101), (7, 4297329), (9, 3342367), (21, 1432443), (63, 477481), (691, 43533), (2073, 14511), (4837, 6219)]