87991233

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{13399}}^1$

素因数の和:13612

約数の個数: 16

約数和(自身を含む): 128640000

約数和(自身を除く): 40648767

約数列:

[1, 3, 11, 33, 199, 597, 2189, 6567, 13399, 40197, 147389, 442167, 2666401, 7999203, 29330411, 87991233]

約数ペア:

[(1, 87991233), (3, 29330411), (11, 7999203), (33, 2666401), (199, 442167), (597, 147389), (2189, 40197), (6567, 13399)]