56017215

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20407}}^1$

素因数の和:20479

約数の個数: 24

約数和(自身を含む): 98693088

約数和(自身を除く): 42675873

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 20407, 61221, 102035, 183663, 306105, 918315, 1244827, 3734481, 6224135, 11203443, 18672405, 56017215]

約数ペア:

[(1, 56017215), (3, 18672405), (5, 11203443), (9, 6224135), (15, 3734481), (45, 1244827), (61, 918315), (183, 306105), (305, 183663), (549, 102035), (915, 61221), (2745, 20407)]