81669455

素因数分解:

$5^1\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{2089}}^1$

素因数の和:3218

約数の個数: 16

約数和(自身を含む): 112157760

約数和(自身を除く): 30488305

約数列:

[1, 5, 7, 35, 1117, 2089, 5585, 7819, 10445, 14623, 39095, 73115, 2333413, 11667065, 16333891, 81669455]

約数ペア:

[(1, 81669455), (5, 16333891), (7, 11667065), (35, 2333413), (1117, 73115), (2089, 39095), (5585, 14623), (7819, 10445)]