13091517

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{15641}}^1$

素因数の和:15681

約数の個数: 16

約数和(自身を含む): 20021760

約数和(自身を除く): 6930243

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 15641, 46923, 140769, 422307, 484871, 1454613, 4363839, 13091517]

約数ペア:

[(1, 13091517), (3, 4363839), (9, 1454613), (27, 484871), (31, 422307), (93, 140769), (279, 46923), (837, 15641)]