2089107

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{643}}^1$

素因数の和:687

約数の個数: 18

約数和(自身を含む): 3189732

約数和(自身を除く): 1100625

約数列:

[1, 3, 9, 19, 57, 171, 361, 643, 1083, 1929, 3249, 5787, 12217, 36651, 109953, 232123, 696369, 2089107]

約数ペア:

[(1, 2089107), (3, 696369), (9, 232123), (19, 109953), (57, 36651), (171, 12217), (361, 5787), (643, 3249), (1083, 1929)]