161105721

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^2\times {\mathrm{1709}}^1$

素因数の和:1853

約数の個数: 24

約数和(自身を含む): 249359040

約数和(自身を除く): 88253319

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 1709, 4489, 5127, 11963, 13467, 31423, 35889, 94269, 114503, 343509, 801521, 2404563, 7671701, 23015103, 53701907, 161105721]

約数ペア:

[(1, 161105721), (3, 53701907), (7, 23015103), (21, 7671701), (67, 2404563), (201, 801521), (469, 343509), (1407, 114503), (1709, 94269), (4489, 35889), (5127, 31423), (11963, 13467)]