201787989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{9931}}^1$

素因数の和:10468

約数の個数: 16

約数和(自身を含む): 290332224

約数和(自身を除く): 88544235

約数列:

[1, 3, 13, 39, 521, 1563, 6773, 9931, 20319, 29793, 129103, 387309, 5174051, 15522153, 67262663, 201787989]

約数ペア:

[(1, 201787989), (3, 67262663), (13, 15522153), (39, 5174051), (521, 387309), (1563, 129103), (6773, 29793), (9931, 20319)]