15916257

素因数分解:

$3^6\times 7^1\times {\mathrm{3119}}^1$

素因数の和:3144

約数の個数: 28

約数和(自身を含む): 27281280

約数和(自身を除く): 11365023

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3119, 5103, 9357, 21833, 28071, 65499, 84213, 196497, 252639, 589491, 757917, 1768473, 2273751, 5305419, 15916257]

約数ペア:

[(1, 15916257), (3, 5305419), (7, 2273751), (9, 1768473), (21, 757917), (27, 589491), (63, 252639), (81, 196497), (189, 84213), (243, 65499), (567, 28071), (729, 21833), (1701, 9357), (3119, 5103)]