381427407

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{198971}}^1$

素因数の和:199051

約数の個数: 16

約数和(自身を含む): 573039360

約数和(自身を除く): 191611953

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 198971, 596913, 1790739, 5372217, 14126941, 42380823, 127142469, 381427407]

約数ペア:

[(1, 381427407), (3, 127142469), (9, 42380823), (27, 14126941), (71, 5372217), (213, 1790739), (639, 596913), (1917, 198971)]