126315

素因数分解:

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

素因数の和:419

約数の個数: 24

約数和(自身を含む): 250848

約数和(自身を除く): 124533

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 401, 1203, 2005, 2807, 3609, 6015, 8421, 14035, 18045, 25263, 42105, 126315]

約数ペア:

[(1, 126315), (3, 42105), (5, 25263), (7, 18045), (9, 14035), (15, 8421), (21, 6015), (35, 3609), (45, 2807), (63, 2005), (105, 1203), (315, 401)]