207681681

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1\times {\mathrm{1531}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 280417280

約数和(自身を除く): 72735599

約数列:

[1, 3, 103, 309, 439, 1317, 1531, 4593, 45217, 135651, 157693, 473079, 672109, 2016327, 69227227, 207681681]

約数ペア:

[(1, 207681681), (3, 69227227), (103, 2016327), (309, 672109), (439, 473079), (1317, 157693), (1531, 135651), (4593, 45217)]