27987323

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16187}}^1$

素因数の和:16226

約数の個数: 16

約数和(自身を含む): 36261120

約数和(自身を除く): 8273797

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16187, 113309, 210431, 307553, 1473017, 2152871, 3998189, 27987323]

約数ペア:

[(1, 27987323), (7, 3998189), (13, 2152871), (19, 1473017), (91, 307553), (133, 210431), (247, 113309), (1729, 16187)]