13521081

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3371}}^1$

素因数の和:3572

約数の個数: 16

約数和(自身を含む): 20717568

約数和(自身を除く): 7196487

約数列:

[1, 3, 7, 21, 191, 573, 1337, 3371, 4011, 10113, 23597, 70791, 643861, 1931583, 4507027, 13521081]

約数ペア:

[(1, 13521081), (3, 4507027), (7, 1931583), (21, 643861), (191, 70791), (573, 23597), (1337, 10113), (3371, 4011)]