259765857

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{20369}}^1$

素因数の和:20497

約数の個数: 24

約数和(自身を含む): 407807400

約数和(自身を除く): 148041543

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 4251, 12753, 20369, 61107, 183321, 264797, 794391, 2220221, 2383173, 6660663, 19981989, 28862873, 86588619, 259765857]

約数ペア:

[(1, 259765857), (3, 86588619), (9, 28862873), (13, 19981989), (39, 6660663), (109, 2383173), (117, 2220221), (327, 794391), (981, 264797), (1417, 183321), (4251, 61107), (12753, 20369)]