13215939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{719}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 19284480

約数和(自身を除く): 6068541

約数列:

[1, 3, 11, 33, 557, 719, 1671, 2157, 6127, 7909, 18381, 23727, 400483, 1201449, 4405313, 13215939]

約数ペア:

[(1, 13215939), (3, 4405313), (11, 1201449), (33, 400483), (557, 23727), (719, 18381), (1671, 7909), (2157, 6127)]