128331315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{407401}}^1$

素因数の和:407419

約数の個数: 24

約数和(自身を含む): 254218848

約数和(自身を除く): 125887533

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 407401, 1222203, 2037005, 2851807, 3666609, 6111015, 8555421, 14259035, 18333045, 25666263, 42777105, 128331315]

約数ペア:

[(1, 128331315), (3, 42777105), (5, 25666263), (7, 18333045), (9, 14259035), (15, 8555421), (21, 6111015), (35, 3666609), (45, 2851807), (63, 2037005), (105, 1222203), (315, 407401)]