289260027

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{19211}}^1$

素因数の和:19463

約数の個数: 24

約数和(自身を含む): 479531520

約数和(自身を除く): 190271493

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1673, 2151, 5019, 15057, 19211, 57633, 134477, 172899, 403431, 1210293, 4591429, 13774287, 32140003, 41322861, 96420009, 289260027]

約数ペア:

[(1, 289260027), (3, 96420009), (7, 41322861), (9, 32140003), (21, 13774287), (63, 4591429), (239, 1210293), (717, 403431), (1673, 172899), (2151, 134477), (5019, 57633), (15057, 19211)]