16669781721

素因数分解:

$3^3\times {\mathrm{5657}}^1\times {\mathrm{109139}}^1$

素因数の和:114805

約数の個数: 16

約数和(自身を含む): 24700564800

約数和(自身を除く): 8030783079

約数列:

[1, 3, 9, 27, 5657, 16971, 50913, 109139, 152739, 327417, 982251, 2946753, 617399323, 1852197969, 5556593907, 16669781721]

約数ペア:

[(1, 16669781721), (3, 5556593907), (9, 1852197969), (27, 617399323), (5657, 2946753), (16971, 982251), (50913, 327417), (109139, 152739)]