12989217

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7351}}^1$

素因数の和:7404

約数の個数: 16

約数和(自身を含む): 18821120

約数和(自身を除く): 5831903

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 7351, 22053, 139669, 227881, 419007, 683643, 4329739, 12989217]

約数ペア:

[(1, 12989217), (3, 4329739), (19, 683643), (31, 419007), (57, 227881), (93, 139669), (589, 22053), (1767, 7351)]