208179921

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1\times {\mathrm{1361}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 282293568

約数和(自身を除く): 74113647

約数列:

[1, 3, 67, 201, 761, 1361, 2283, 4083, 50987, 91187, 152961, 273561, 1035721, 3107163, 69393307, 208179921]

約数ペア:

[(1, 208179921), (3, 69393307), (67, 3107163), (201, 1035721), (761, 273561), (1361, 152961), (2283, 91187), (4083, 50987)]