218457279

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{4057}}^1$

素因数の和:4287

約数の個数: 24

約数和(自身を含む): 327496832

約数和(自身を除く): 109039553

約数列:

[1, 3, 9, 31, 93, 193, 279, 579, 1737, 4057, 5983, 12171, 17949, 36513, 53847, 125767, 377301, 783001, 1131903, 2349003, 7047009, 24273031, 72819093, 218457279]

約数ペア:

[(1, 218457279), (3, 72819093), (9, 24273031), (31, 7047009), (93, 2349003), (193, 1131903), (279, 783001), (579, 377301), (1737, 125767), (4057, 53847), (5983, 36513), (12171, 17949)]