28251639

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80489}}^1$

素因数の和:80511

約数の個数: 16

約数和(自身を含む): 45074400

約数和(自身を除く): 16822761

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80489, 241467, 724401, 1046357, 2173203, 3139071, 9417213, 28251639]

約数ペア:

[(1, 28251639), (3, 9417213), (9, 3139071), (13, 2173203), (27, 1046357), (39, 724401), (117, 241467), (351, 80489)]