85455

素因数分解:

$3^4\times 5^1\times {\mathrm{211}}^1$

素因数の和:228

約数の個数: 20

約数和(自身を含む): 153912

約数和(自身を除く): 68457

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 405, 633, 1055, 1899, 3165, 5697, 9495, 17091, 28485, 85455]

約数ペア:

[(1, 85455), (3, 28485), (5, 17091), (9, 9495), (15, 5697), (27, 3165), (45, 1899), (81, 1055), (135, 633), (211, 405)]