78205581

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{18217}}^1$

素因数の和:18282

約数の個数: 20

約数和(自身を含む): 119036412

約数和(自身を除く): 40830831

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 18217, 54651, 163953, 491859, 965501, 1475577, 2896503, 8689509, 26068527, 78205581]

約数ペア:

[(1, 78205581), (3, 26068527), (9, 8689509), (27, 2896503), (53, 1475577), (81, 965501), (159, 491859), (477, 163953), (1431, 54651), (4293, 18217)]