2155647573

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{248719}}^1$

素因数の和:248838

約数の個数: 20

約数和(自身を含む): 3250272960

約数和(自身を除く): 1094625387

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 248719, 746157, 2238471, 6715413, 20146239, 26612933, 79838799, 239516397, 718549191, 2155647573]

約数ペア:

[(1, 2155647573), (3, 718549191), (9, 239516397), (27, 79838799), (81, 26612933), (107, 20146239), (321, 6715413), (963, 2238471), (2889, 746157), (8667, 248719)]