81181681

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2377}}^1$

素因数の和:2449

約数の個数: 24

約数和(自身を含む): 102472776

約数和(自身を除く): 21291095

約数列:

[1, 7, 17, 41, 49, 119, 287, 697, 833, 2009, 2377, 4879, 16639, 34153, 40409, 97457, 116473, 282863, 682199, 1656769, 1980041, 4775393, 11597383, 81181681]

約数ペア:

[(1, 81181681), (7, 11597383), (17, 4775393), (41, 1980041), (49, 1656769), (119, 682199), (287, 282863), (697, 116473), (833, 97457), (2009, 40409), (2377, 34153), (4879, 16639)]