1855217273

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{224033}}^1$

素因数の和:224073

約数の個数: 18

約数和(自身を含む): 2336898654

約数和(自身を除く): 481681381

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 224033, 1568231, 2912429, 10977617, 20387003, 37861577, 142709021, 265031039, 1855217273]

約数ペア:

[(1, 1855217273), (7, 265031039), (13, 142709021), (49, 37861577), (91, 20387003), (169, 10977617), (637, 2912429), (1183, 1568231), (8281, 224033)]