28134459

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 44924880

約数和(自身を除く): 16790421

約数列:

[1, 3, 9, 19, 27, 57, 81, 101, 171, 181, 303, 513, 543, 909, 1539, 1629, 1919, 2727, 3439, 4887, 5757, 8181, 10317, 14661, 17271, 18281, 30951, 51813, 54843, 92853, 155439, 164529, 278559, 347339, 493587, 1042017, 1480761, 3126051, 9378153, 28134459]

約数ペア:

[(1, 28134459), (3, 9378153), (9, 3126051), (19, 1480761), (27, 1042017), (57, 493587), (81, 347339), (101, 278559), (171, 164529), (181, 155439), (303, 92853), (513, 54843), (543, 51813), (909, 30951), (1539, 18281), (1629, 17271), (1919, 14661), (2727, 10317), (3439, 8181), (4887, 5757)]