15940981

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4133}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 19843200

約数和(自身を除く): 3902219

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 4133, 28931, 78527, 119857, 549689, 838999, 2277283, 15940981]

約数ペア:

[(1, 15940981), (7, 2277283), (19, 838999), (29, 549689), (133, 119857), (203, 78527), (551, 28931), (3857, 4133)]