72720162

素因数分解:

$2^1\times 3^2\times {\mathrm{4040009}}^1$

素因数の和:4040017

約数の個数: 12

約数和(自身を含む): 157560390

約数和(自身を除く): 84840228

約数列:

[1, 2, 3, 6, 9, 18, 4040009, 8080018, 12120027, 24240054, 36360081, 72720162]

約数ペア:

[(1, 72720162), (2, 36360081), (3, 24240054), (6, 12120027), (9, 8080018), (18, 4040009)]