81560637

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2887}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 122243264

約数和(自身を除く): 40682627

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 2887, 3139, 8661, 9417, 25983, 28251, 124141, 210751, 372423, 632253, 1117269, 1896759, 9062293, 27186879, 81560637]

約数ペア:

[(1, 81560637), (3, 27186879), (9, 9062293), (43, 1896759), (73, 1117269), (129, 632253), (219, 372423), (387, 210751), (657, 124141), (2887, 28251), (3139, 25983), (8661, 9417)]