2190990111

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{78929}}^1$

素因数の和:79438

約数の個数: 16

約数和(自身を含む): 3081427200

約数和(自身を除く): 890437089

約数列:

[1, 3, 19, 57, 487, 1461, 9253, 27759, 78929, 236787, 1499651, 4498953, 38438423, 115315269, 730330037, 2190990111]

約数ペア:

[(1, 2190990111), (3, 730330037), (19, 115315269), (57, 38438423), (487, 4498953), (1461, 1499651), (9253, 236787), (27759, 78929)]