20149597881

素因数分解:

$3^3\times 7^1\times {\mathrm{106611629}}^1$

素因数の和:106611645

約数の個数: 16

約数和(自身を含む): 34115721600

約数和(自身を除く): 13966123719

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 106611629, 319834887, 746281403, 959504661, 2238844209, 2878513983, 6716532627, 20149597881]

約数ペア:

[(1, 20149597881), (3, 6716532627), (7, 2878513983), (9, 2238844209), (21, 959504661), (27, 746281403), (63, 319834887), (189, 106611629)]