64815615

素因数分解:

$3^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1669}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 112544640

約数和(自身を除く): 47729025

約数列:

[1, 3, 5, 9, 15, 45, 863, 1669, 2589, 4315, 5007, 7767, 8345, 12945, 15021, 25035, 38835, 75105, 1440347, 4321041, 7201735, 12963123, 21605205, 64815615]

約数ペア:

[(1, 64815615), (3, 21605205), (5, 12963123), (9, 7201735), (15, 4321041), (45, 1440347), (863, 75105), (1669, 38835), (2589, 25035), (4315, 15021), (5007, 12945), (7767, 8345)]