28009005

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{25579}}^1$

素因数の和:25660

約数の個数: 16

約数和(自身を含む): 45430080

約数和(自身を除く): 17421075

約数列:

[1, 3, 5, 15, 73, 219, 365, 1095, 25579, 76737, 127895, 383685, 1867267, 5601801, 9336335, 28009005]

約数ペア:

[(1, 28009005), (3, 9336335), (5, 5601801), (15, 1867267), (73, 383685), (219, 127895), (365, 76737), (1095, 25579)]