1921077

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:690

約数の個数: 20

約数和(自身を含む): 2951916

約数和(自身を除く): 1030839

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 641, 999, 1923, 2997, 5769, 17307, 23717, 51921, 71151, 213453, 640359, 1921077]

約数ペア:

[(1, 1921077), (3, 640359), (9, 213453), (27, 71151), (37, 51921), (81, 23717), (111, 17307), (333, 5769), (641, 2997), (999, 1923)]