208515189

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{7919}}^1$

素因数の和:8120

約数の個数: 16

約数和(自身を含む): 284359680

約数和(自身を除く): 75844491

約数列:

[1, 3, 67, 131, 201, 393, 7919, 8777, 23757, 26331, 530573, 1037389, 1591719, 3112167, 69505063, 208515189]

約数ペア:

[(1, 208515189), (3, 69505063), (67, 3112167), (131, 1591719), (201, 1037389), (393, 530573), (7919, 26331), (8777, 23757)]