280005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1697}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 489024

約数和(自身を除く): 209019

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1697, 5091, 8485, 18667, 25455, 56001, 93335, 280005]

約数ペア:

[(1, 280005), (3, 93335), (5, 56001), (11, 25455), (15, 18667), (33, 8485), (55, 5091), (165, 1697)]