351542009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{203321}}^1$

素因数の和:203360

約数の個数: 16

約数和(自身を含む): 455441280

約数和(自身を除く): 103899271

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 203321, 1423247, 2643173, 3863099, 18502211, 27041693, 50220287, 351542009]

約数ペア:

[(1, 351542009), (7, 50220287), (13, 27041693), (19, 18502211), (91, 3863099), (133, 2643173), (247, 1423247), (1729, 203321)]