78165891

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{41957}}^1$

素因数の和:41992

約数の個数: 20

約数和(自身を含む): 121846032

約数和(自身を除く): 43680141

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 41957, 125871, 377613, 965011, 1132839, 2895033, 3398517, 8685099, 26055297, 78165891]

約数ペア:

[(1, 78165891), (3, 26055297), (9, 8685099), (23, 3398517), (27, 2895033), (69, 1132839), (81, 965011), (207, 377613), (621, 125871), (1863, 41957)]