13220347

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{4423}}^1$

素因数の和:4498

約数の個数: 12

約数和(自身を含む): 15634416

約数和(自身を除く): 2414069

約数列:

[1, 7, 49, 61, 427, 2989, 4423, 30961, 216727, 269803, 1888621, 13220347]

約数ペア:

[(1, 13220347), (7, 1888621), (49, 269803), (61, 216727), (427, 30961), (2989, 4423)]