25764885

素因数分解:

$3^4\times 5^1\times {\mathrm{63617}}^1$

素因数の和:63634

約数の個数: 20

約数和(自身を含む): 46186668

約数和(自身を除く): 20421783

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63617, 190851, 318085, 572553, 954255, 1717659, 2862765, 5152977, 8588295, 25764885]

約数ペア:

[(1, 25764885), (3, 8588295), (5, 5152977), (9, 2862765), (15, 1717659), (27, 954255), (45, 572553), (81, 318085), (135, 190851), (405, 63617)]