278325009

素因数分解:

$3^2\times {\mathrm{191}}^1\times {\mathrm{161911}}^1$

素因数の和:162108

約数の個数: 12

約数和(自身を含む): 404132352

約数和(自身を除く): 125807343

約数列:

[1, 3, 9, 191, 573, 1719, 161911, 485733, 1457199, 30925001, 92775003, 278325009]

約数ペア:

[(1, 278325009), (3, 92775003), (9, 30925001), (191, 1457199), (573, 485733), (1719, 161911)]