199643811

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1\times {\mathrm{2551}}^1$

素因数の和:3946

約数の個数: 16

約数和(自身を含む): 280515840

約数和(自身を除く): 80872029

約数列:

[1, 3, 19, 57, 1373, 2551, 4119, 7653, 26087, 48469, 78261, 145407, 3502523, 10507569, 66547937, 199643811]

約数ペア:

[(1, 199643811), (3, 66547937), (19, 10507569), (57, 3502523), (1373, 145407), (2551, 78261), (4119, 48469), (7653, 26087)]