209128527

素因数分解:

$3^3\times {\mathrm{431}}^1\times {\mathrm{17971}}^1$

素因数の和:18411

約数の個数: 16

約数和(自身を含む): 310556160

約数和(自身を除く): 101427633

約数列:

[1, 3, 9, 27, 431, 1293, 3879, 11637, 17971, 53913, 161739, 485217, 7745501, 23236503, 69709509, 209128527]

約数ペア:

[(1, 209128527), (3, 69709509), (9, 23236503), (27, 7745501), (431, 485217), (1293, 161739), (3879, 53913), (11637, 17971)]