1991253

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 2935296

約数和(自身を除く): 944043

約数列:

[1, 3, 11, 33, 83, 249, 727, 913, 2181, 2739, 7997, 23991, 60341, 181023, 663751, 1991253]

約数ペア:

[(1, 1991253), (3, 663751), (11, 181023), (33, 60341), (83, 23991), (249, 7997), (727, 2739), (913, 2181)]