207921105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{660067}}^1$

素因数の和:660085

約数の個数: 24

約数和(自身を含む): 411882432

約数和(自身を除く): 203961327

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 660067, 1980201, 3300335, 4620469, 5940603, 9901005, 13861407, 23102345, 29703015, 41584221, 69307035, 207921105]

約数ペア:

[(1, 207921105), (3, 69307035), (5, 41584221), (7, 29703015), (9, 23102345), (15, 13861407), (21, 9901005), (35, 5940603), (45, 4620469), (63, 3300335), (105, 1980201), (315, 660067)]