210525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{401}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 398784

約数和(自身を除く): 188259

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 401, 525, 1203, 2005, 2807, 6015, 8421, 10025, 14035, 30075, 42105, 70175, 210525]

約数ペア:

[(1, 210525), (3, 70175), (5, 42105), (7, 30075), (15, 14035), (21, 10025), (25, 8421), (35, 6015), (75, 2807), (105, 2005), (175, 1203), (401, 525)]