257286753

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{328591}}^1$

素因数の和:328629

約数の個数: 16

約数和(自身を含む): 394310400

約数和(自身を除く): 137023647

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 328591, 985773, 2957319, 8871957, 9529139, 28587417, 85762251, 257286753]

約数ペア:

[(1, 257286753), (3, 85762251), (9, 28587417), (27, 9529139), (29, 8871957), (87, 2957319), (261, 985773), (783, 328591)]