28561575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{54403}}^1$

素因数の和:54423

約数の個数: 24

約数和(自身を含む): 53968768

約数和(自身を除く): 25407193

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 54403, 163209, 272015, 380821, 816045, 1142463, 1360075, 1904105, 4080225, 5712315, 9520525, 28561575]

約数ペア:

[(1, 28561575), (3, 9520525), (5, 5712315), (7, 4080225), (15, 1904105), (21, 1360075), (25, 1142463), (35, 816045), (75, 380821), (105, 272015), (175, 163209), (525, 54403)]