374257989

素因数分解:

$3^4\times 7^1\times {\mathrm{660067}}^1$

素因数の和:660086

約数の個数: 20

約数和(自身を含む): 638945824

約数和(自身を除く): 264687835

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 660067, 1980201, 4620469, 5940603, 13861407, 17821809, 41584221, 53465427, 124752663, 374257989]

約数ペア:

[(1, 374257989), (3, 124752663), (7, 53465427), (9, 41584221), (21, 17821809), (27, 13861407), (63, 5940603), (81, 4620469), (189, 1980201), (567, 660067)]