81939669

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{49391}}^1$

素因数の和:49480

約数の個数: 16

約数和(自身を含む): 126443520

約数和(自身を除く): 44503851

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 49391, 148173, 345737, 1037211, 3901889, 11705667, 27313223, 81939669]

約数ペア:

[(1, 81939669), (3, 27313223), (7, 11705667), (21, 3901889), (79, 1037211), (237, 345737), (553, 148173), (1659, 49391)]