208587021

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{3361}}^1$

素因数の和:3652

約数の個数: 16

約数和(自身を含む): 282085248

約数和(自身を除く): 73498227

約数列:

[1, 3, 137, 151, 411, 453, 3361, 10083, 20687, 62061, 460457, 507511, 1381371, 1522533, 69529007, 208587021]

約数ペア:

[(1, 208587021), (3, 69529007), (137, 1522533), (151, 1381371), (411, 507511), (453, 460457), (3361, 62061), (10083, 20687)]