254262879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{2647}}^1$

素因数の和:3487

約数の個数: 24

約数和(自身を含む): 396151392

約数和(自身を除く): 141888513

約数列:

[1, 3, 9, 13, 39, 117, 821, 2463, 2647, 7389, 7941, 10673, 23823, 32019, 34411, 96057, 103233, 309699, 2173187, 6519561, 19558683, 28251431, 84754293, 254262879]

約数ペア:

[(1, 254262879), (3, 84754293), (9, 28251431), (13, 19558683), (39, 6519561), (117, 2173187), (821, 309699), (2463, 103233), (2647, 96057), (7389, 34411), (7941, 32019), (10673, 23823)]