155520018

素因数分解:

$2^1\times 3^2\times {\mathrm{8640001}}^1$

素因数の和:8640009

約数の個数: 12

約数和(自身を含む): 336960078

約数和(自身を除く): 181440060

約数列:

[1, 2, 3, 6, 9, 18, 8640001, 17280002, 25920003, 51840006, 77760009, 155520018]

約数ペア:

[(1, 155520018), (2, 77760009), (3, 51840006), (6, 25920003), (9, 17280002), (18, 8640001)]