15891057

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19403}}^1$

素因数の和:19429

約数の個数: 24

約数和(自身を含む): 28252224

約数和(自身を除く): 12361167

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 19403, 58209, 135821, 174627, 252239, 407463, 756717, 1222389, 1765673, 2270151, 5297019, 15891057]

約数ペア:

[(1, 15891057), (3, 5297019), (7, 2270151), (9, 1765673), (13, 1222389), (21, 756717), (39, 407463), (63, 252239), (91, 174627), (117, 135821), (273, 58209), (819, 19403)]