25915869

素因数分解:

$3^4\times 7^1\times {\mathrm{45707}}^1$

素因数の和:45726

約数の個数: 20

約数和(自身を含む): 44245344

約数和(自身を除く): 18329475

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45707, 137121, 319949, 411363, 959847, 1234089, 2879541, 3702267, 8638623, 25915869]

約数ペア:

[(1, 25915869), (3, 8638623), (7, 3702267), (9, 2879541), (21, 1234089), (27, 959847), (63, 411363), (81, 319949), (189, 137121), (567, 45707)]