15851781

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17791}}^1$

素因数の和:17814

約数の個数: 20

約数和(自身を含む): 25833984

約数和(自身を除く): 9982203

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 17791, 53373, 160119, 195701, 480357, 587103, 1441071, 1761309, 5283927, 15851781]

約数ペア:

[(1, 15851781), (3, 5283927), (9, 1761309), (11, 1441071), (27, 587103), (33, 480357), (81, 195701), (99, 160119), (297, 53373), (891, 17791)]