51621681

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1567}}^1$

素因数の和:1788

約数の個数: 16

約数和(自身を含む): 70246400

約数和(自身を除く): 18624719

約数列:

[1, 3, 79, 139, 237, 417, 1567, 4701, 10981, 32943, 123793, 217813, 371379, 653439, 17207227, 51621681]

約数ペア:

[(1, 51621681), (3, 17207227), (79, 653439), (139, 371379), (237, 217813), (417, 123793), (1567, 32943), (4701, 10981)]