9900879

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 14598144

約数和(自身を除く): 4697265

約数列:

[1, 3, 23, 43, 47, 69, 71, 129, 141, 213, 989, 1081, 1633, 2021, 2967, 3053, 3243, 3337, 4899, 6063, 9159, 10011, 46483, 70219, 76751, 139449, 143491, 210657, 230253, 430473, 3300293, 9900879]

約数ペア:

[(1, 9900879), (3, 3300293), (23, 430473), (43, 230253), (47, 210657), (69, 143491), (71, 139449), (129, 76751), (141, 70219), (213, 46483), (989, 10011), (1081, 9159), (1633, 6063), (2021, 4899), (2967, 3337), (3053, 3243)]