25560765

素因数分解:

$3^4\times 5^1\times {\mathrm{63113}}^1$

素因数の和:63130

約数の個数: 20

約数和(自身を含む): 45820764

約数和(自身を除く): 20259999

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63113, 189339, 315565, 568017, 946695, 1704051, 2840085, 5112153, 8520255, 25560765]

約数ペア:

[(1, 25560765), (3, 8520255), (5, 5112153), (9, 2840085), (15, 1704051), (27, 946695), (45, 568017), (81, 315565), (135, 189339), (405, 63113)]