128006667

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 204422400

約数和(自身を除く): 76415733

約数列:

[1, 3, 9, 19, 29, 57, 83, 87, 171, 249, 261, 311, 551, 747, 933, 1577, 1653, 2407, 2799, 4731, 4959, 5909, 7221, 9019, 14193, 17727, 21663, 25813, 27057, 45733, 53181, 77439, 81171, 137199, 171361, 232317, 411597, 490447, 514083, 748577, 1471341, 1542249, 2245731, 4414023, 6737193, 14222963, 42668889, 128006667]

約数ペア:

[(1, 128006667), (3, 42668889), (9, 14222963), (19, 6737193), (29, 4414023), (57, 2245731), (83, 1542249), (87, 1471341), (171, 748577), (249, 514083), (261, 490447), (311, 411597), (551, 232317), (747, 171361), (933, 137199), (1577, 81171), (1653, 77439), (2407, 53181), (2799, 45733), (4731, 27057), (4959, 25813), (5909, 21663), (7221, 17727), (9019, 14193)]