207989019

素因数分解:

$3^3\times 7^1\times {\mathrm{1100471}}^1$

素因数の和:1100487

約数の個数: 16

約数和(自身を含む): 352151040

約数和(自身を除く): 144162021

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1100471, 3301413, 7703297, 9904239, 23109891, 29712717, 69329673, 207989019]

約数ペア:

[(1, 207989019), (3, 69329673), (7, 29712717), (9, 23109891), (21, 9904239), (27, 7703297), (63, 3301413), (189, 1100471)]