81430146

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{646271}}^1$

素因数の和:646286

約数の個数: 24

約数和(自身を含む): 201636864

約数和(自身を除く): 120206718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 646271, 1292542, 1938813, 3877626, 4523897, 5816439, 9047794, 11632878, 13571691, 27143382, 40715073, 81430146]

約数ペア:

[(1, 81430146), (2, 40715073), (3, 27143382), (6, 13571691), (7, 11632878), (9, 9047794), (14, 5816439), (18, 4523897), (21, 3877626), (42, 1938813), (63, 1292542), (126, 646271)]