217897797

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{337}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 320261760

約数和(自身を除く): 102363963

約数列:

[1, 3, 13, 39, 59, 177, 281, 337, 767, 843, 1011, 2301, 3653, 4381, 10959, 13143, 16579, 19883, 49737, 59649, 94697, 215527, 258479, 284091, 646581, 775437, 1231061, 3693183, 5587123, 16761369, 72632599, 217897797]

約数ペア:

[(1, 217897797), (3, 72632599), (13, 16761369), (39, 5587123), (59, 3693183), (177, 1231061), (281, 775437), (337, 646581), (767, 284091), (843, 258479), (1011, 215527), (2301, 94697), (3653, 59649), (4381, 49737), (10959, 19883), (13143, 16579)]