54120555

素因数分解:

$3^4\times 5^1\times {\mathrm{133631}}^1$

素因数の和:133648

約数の個数: 20

約数和(自身を含む): 97016832

約数和(自身を除く): 42896277

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 133631, 400893, 668155, 1202679, 2004465, 3608037, 6013395, 10824111, 18040185, 54120555]

約数ペア:

[(1, 54120555), (3, 18040185), (5, 10824111), (9, 6013395), (15, 3608037), (27, 2004465), (45, 1202679), (81, 668155), (135, 400893), (405, 133631)]