680211999

素因数分解:

$3^4\times {\mathrm{2789}}^1\times {\mathrm{3011}}^1$

素因数の和:5812

約数の個数: 20

約数和(自身を含む): 1016821080

約数和(自身を除く): 336609081

約数列:

[1, 3, 9, 27, 81, 2789, 3011, 8367, 9033, 25101, 27099, 75303, 81297, 225909, 243891, 8397679, 25193037, 75579111, 226737333, 680211999]

約数ペア:

[(1, 680211999), (3, 226737333), (9, 75579111), (27, 25193037), (81, 8397679), (2789, 243891), (3011, 225909), (8367, 81297), (9033, 75303), (25101, 27099)]