81758259

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{2179}}^1$

素因数の和:2575

約数の個数: 24

約数和(自身を含む): 129230400

約数和(自身を除く): 47472141

約数列:

[1, 3, 9, 11, 33, 99, 379, 1137, 2179, 3411, 4169, 6537, 12507, 19611, 23969, 37521, 71907, 215721, 825841, 2477523, 7432569, 9084251, 27252753, 81758259]

約数ペア:

[(1, 81758259), (3, 27252753), (9, 9084251), (11, 7432569), (33, 2477523), (99, 825841), (379, 215721), (1137, 71907), (2179, 37521), (3411, 23969), (4169, 19611), (6537, 12507)]