217625881

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 247282112

約数和(自身を除く): 29656231

約数列:

[1, 11, 43, 121, 151, 277, 473, 1661, 3047, 5203, 6493, 11911, 18271, 33517, 41827, 71423, 131021, 460097, 785653, 1441231, 1798561, 5061067, 19784171, 217625881]

約数ペア:

[(1, 217625881), (11, 19784171), (43, 5061067), (121, 1798561), (151, 1441231), (277, 785653), (473, 460097), (1661, 131021), (3047, 71423), (5203, 41827), (6493, 33517), (11911, 18271)]