66567225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{20641}}^1$

素因数の和:20697

約数の個数: 24

約数和(自身を含む): 112622752

約数和(自身を除く): 46055527

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 20641, 61923, 103205, 309615, 516025, 887563, 1548075, 2662689, 4437815, 13313445, 22189075, 66567225]

約数ペア:

[(1, 66567225), (3, 22189075), (5, 13313445), (15, 4437815), (25, 2662689), (43, 1548075), (75, 887563), (129, 516025), (215, 309615), (645, 103205), (1075, 61923), (3225, 20641)]