206961519

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{7789}}^1$

素因数の和:8330

約数の個数: 16

約数和(自身を含む): 292779360

約数和(自身を除く): 85817841

約数列:

[1, 3, 17, 51, 521, 1563, 7789, 8857, 23367, 26571, 132413, 397239, 4058069, 12174207, 68987173, 206961519]

約数ペア:

[(1, 206961519), (3, 68987173), (17, 12174207), (51, 4058069), (521, 397239), (1563, 132413), (7789, 26571), (8857, 23367)]