128814609

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557639}}^1$

素因数の和:557660

約数の個数: 16

約数和(自身を含む): 214133760

約数和(自身を除く): 85319151

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 557639, 1672917, 3903473, 6134029, 11710419, 18402087, 42938203, 128814609]

約数ペア:

[(1, 128814609), (3, 42938203), (7, 18402087), (11, 11710419), (21, 6134029), (33, 3903473), (77, 1672917), (231, 557639)]