2019121317

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{135721}}^1$

素因数の和:135778

約数の個数: 32

約数和(自身を含む): 3257328000

約数和(自身を除く): 1238206683

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1653, 4959, 14877, 135721, 407163, 1221489, 2578699, 3664467, 3935909, 7736097, 11807727, 23208291, 35423181, 69624873, 74782271, 106269543, 224346813, 673040439, 2019121317]

約数ペア:

[(1, 2019121317), (3, 673040439), (9, 224346813), (19, 106269543), (27, 74782271), (29, 69624873), (57, 35423181), (87, 23208291), (171, 11807727), (261, 7736097), (513, 3935909), (551, 3664467), (783, 2578699), (1653, 1221489), (4959, 407163), (14877, 135721)]