11215719

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{21863}}^1$

素因数の和:21891

約数の個数: 16

約数和(自身を含む): 17491200

約数和(自身を除く): 6275481

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 21863, 65589, 196767, 415397, 590301, 1246191, 3738573, 11215719]

約数ペア:

[(1, 11215719), (3, 3738573), (9, 1246191), (19, 590301), (27, 415397), (57, 196767), (171, 65589), (513, 21863)]