15197721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5981}}^1$

素因数の和:6013

約数の個数: 24

約数和(自身を含む): 25459392

約数和(自身を除く): 10261671

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 5981, 17943, 41867, 65791, 125601, 197373, 460537, 723701, 1381611, 2171103, 5065907, 15197721]

約数ペア:

[(1, 15197721), (3, 5065907), (7, 2171103), (11, 1381611), (21, 723701), (33, 460537), (77, 197373), (121, 125601), (231, 65791), (363, 41867), (847, 17943), (2541, 5981)]