15805985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1009}}^1$

素因数の和:1268

約数の個数: 16

約数和(自身を含む): 20531280

約数和(自身を除く): 4725295

約数列:

[1, 5, 13, 65, 241, 1009, 1205, 3133, 5045, 13117, 15665, 65585, 243169, 1215845, 3161197, 15805985]

約数ペア:

[(1, 15805985), (5, 3161197), (13, 1215845), (65, 243169), (241, 65585), (1009, 15665), (1205, 13117), (3133, 5045)]