215445891

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1\times {\mathrm{2423}}^1$

素因数の和:2810

約数の個数: 16

約数和(自身を含む): 291112704

約数和(自身を除く): 75666813

約数列:

[1, 3, 107, 277, 321, 831, 2423, 7269, 29639, 88917, 259261, 671171, 777783, 2013513, 71815297, 215445891]

約数ペア:

[(1, 215445891), (3, 71815297), (107, 2013513), (277, 777783), (321, 671171), (831, 259261), (2423, 88917), (7269, 29639)]