28263495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144941}}^1$

素因数の和:144962

約数の個数: 16

約数和(自身を含む): 48700512

約数和(自身を除く): 20437017

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 144941, 434823, 724705, 1884233, 2174115, 5652699, 9421165, 28263495]

約数ペア:

[(1, 28263495), (3, 9421165), (5, 5652699), (13, 2174115), (15, 1884233), (39, 724705), (65, 434823), (195, 144941)]