78279021

素因数分解:

$3^3\times {\mathrm{223}}^1\times {\mathrm{13001}}^1$

素因数の和:13233

約数の個数: 16

約数和(自身を含む): 116497920

約数和(自身を除く): 38218899

約数列:

[1, 3, 9, 27, 223, 669, 2007, 6021, 13001, 39003, 117009, 351027, 2899223, 8697669, 26093007, 78279021]

約数ペア:

[(1, 78279021), (3, 26093007), (9, 8697669), (27, 2899223), (223, 351027), (669, 117009), (2007, 39003), (6021, 13001)]