18121191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1223}}^1$

素因数の和:1686

約数の個数: 16

約数和(自身を含む): 26438400

約数和(自身を除く): 8317209

約数列:

[1, 3, 11, 33, 449, 1223, 1347, 3669, 4939, 13453, 14817, 40359, 549127, 1647381, 6040397, 18121191]

約数ペア:

[(1, 18121191), (3, 6040397), (11, 1647381), (33, 549127), (449, 40359), (1223, 14817), (1347, 13453), (3669, 4939)]