210945105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{669667}}^1$

素因数の和:669685

約数の個数: 24

約数和(自身を含む): 417872832

約数和(自身を除く): 206927727

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 669667, 2009001, 3348335, 4687669, 6027003, 10045005, 14063007, 23438345, 30135015, 42189021, 70315035, 210945105]

約数ペア:

[(1, 210945105), (3, 70315035), (5, 42189021), (7, 30135015), (9, 23438345), (15, 14063007), (21, 10045005), (35, 6027003), (45, 4687669), (63, 3348335), (105, 2009001), (315, 669667)]