166946913

素因数分解:

$3^4\times 7^1\times {\mathrm{294439}}^1$

素因数の和:294458

約数の個数: 20

約数和(自身を含む): 285017920

約数和(自身を除く): 118071007

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 294439, 883317, 2061073, 2649951, 6183219, 7949853, 18549657, 23849559, 55648971, 166946913]

約数ペア:

[(1, 166946913), (3, 55648971), (7, 23849559), (9, 18549657), (21, 7949853), (27, 6183219), (63, 2649951), (81, 2061073), (189, 883317), (567, 294439)]