13328721

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2549}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 22276800

約数和(自身を除く): 8948079

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 2549, 5229, 7647, 17843, 22941, 53529, 160587, 211567, 634701, 1480969, 1904103, 4442907, 13328721]

約数ペア:

[(1, 13328721), (3, 4442907), (7, 1904103), (9, 1480969), (21, 634701), (63, 211567), (83, 160587), (249, 53529), (581, 22941), (747, 17843), (1743, 7647), (2549, 5229)]