1890927

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{727}}^1$

素因数の和:767

約数の個数: 18

約数和(自身を含む): 2905448

約数和(自身を除く): 1014521

約数列:

[1, 3, 9, 17, 51, 153, 289, 727, 867, 2181, 2601, 6543, 12359, 37077, 111231, 210103, 630309, 1890927]

約数ペア:

[(1, 1890927), (3, 630309), (9, 210103), (17, 111231), (51, 37077), (153, 12359), (289, 6543), (727, 2601), (867, 2181)]