81130572

素因数分解:

$2^2\times 3^4\times {\mathrm{250403}}^1$

素因数の和:250419

約数の個数: 30

約数和(自身を含む): 212092188

約数和(自身を除く): 130961616

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 250403, 500806, 751209, 1001612, 1502418, 2253627, 3004836, 4507254, 6760881, 9014508, 13521762, 20282643, 27043524, 40565286, 81130572]

約数ペア:

[(1, 81130572), (2, 40565286), (3, 27043524), (4, 20282643), (6, 13521762), (9, 9014508), (12, 6760881), (18, 4507254), (27, 3004836), (36, 2253627), (54, 1502418), (81, 1001612), (108, 751209), (162, 500806), (324, 250403)]