25884765

素因数分解:

$3^4\times 5^1\times {\mathrm{63913}}^1$

素因数の和:63930

約数の個数: 20

約数和(自身を含む): 46401564

約数和(自身を除く): 20516799

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63913, 191739, 319565, 575217, 958695, 1725651, 2876085, 5176953, 8628255, 25884765]

約数ペア:

[(1, 25884765), (3, 8628255), (5, 5176953), (9, 2876085), (15, 1725651), (27, 958695), (45, 575217), (81, 319565), (135, 191739), (405, 63913)]