173899467

素因数分解:

$3^4\times 7^1\times {\mathrm{306701}}^1$

素因数の和:306720

約数の個数: 20

約数和(自身を含む): 296887536

約数和(自身を除く): 122988069

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 306701, 920103, 2146907, 2760309, 6440721, 8280927, 19322163, 24842781, 57966489, 173899467]

約数ペア:

[(1, 173899467), (3, 57966489), (7, 24842781), (9, 19322163), (21, 8280927), (27, 6440721), (63, 2760309), (81, 2146907), (189, 920103), (567, 306701)]