78732081

素因数分解:

$3^4\times {\mathrm{972001}}^1$

素因数の和:972013

約数の個数: 10

約数和(自身を含む): 117612242

約数和(自身を除く): 38880161

約数列:

[1, 3, 9, 27, 81, 972001, 2916003, 8748009, 26244027, 78732081]

約数ペア:

[(1, 78732081), (3, 26244027), (9, 8748009), (27, 2916003), (81, 972001)]