1981581

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 3047424

約数和(自身を除く): 1065843

約数列:

[1, 3, 7, 21, 127, 381, 743, 889, 2229, 2667, 5201, 15603, 94361, 283083, 660527, 1981581]

約数ペア:

[(1, 1981581), (3, 660527), (7, 283083), (21, 94361), (127, 15603), (381, 5201), (743, 2667), (889, 2229)]