201712721

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{79823}}^1$

素因数の和:79868

約数の個数: 12

約数和(自身を含む): 243303552

約数和(自身を除く): 41590831

約数列:

[1, 7, 19, 133, 361, 2527, 79823, 558761, 1516637, 10616459, 28816103, 201712721]

約数ペア:

[(1, 201712721), (7, 28816103), (19, 10616459), (133, 1516637), (361, 558761), (2527, 79823)]