66018075

素因数分解:

$3^1\times 5^2\times {\mathrm{443}}^1\times {\mathrm{1987}}^1$

素因数の和:2443

約数の個数: 24

約数和(自身を含む): 109451328

約数和(自身を除く): 43433253

約数列:

[1, 3, 5, 15, 25, 75, 443, 1329, 1987, 2215, 5961, 6645, 9935, 11075, 29805, 33225, 49675, 149025, 880241, 2640723, 4401205, 13203615, 22006025, 66018075]

約数ペア:

[(1, 66018075), (3, 22006025), (5, 13203615), (15, 4401205), (25, 2640723), (75, 880241), (443, 149025), (1329, 49675), (1987, 33225), (2215, 29805), (5961, 11075), (6645, 9935)]