2557539

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 3931200

約数和(自身を除く): 1373661

約数列:

[1, 3, 9, 29, 41, 87, 123, 239, 261, 369, 717, 1189, 2151, 3567, 6931, 9799, 10701, 20793, 29397, 62379, 88191, 284171, 852513, 2557539]

約数ペア:

[(1, 2557539), (3, 852513), (9, 284171), (29, 88191), (41, 62379), (87, 29397), (123, 20793), (239, 10701), (261, 9799), (369, 6931), (717, 3567), (1189, 2151)]