68538339

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 117504000

約数和(自身を除く): 48965661

約数列:

[1, 3, 9, 17, 19, 27, 29, 51, 57, 87, 153, 171, 261, 271, 323, 459, 493, 513, 551, 783, 813, 969, 1479, 1653, 2439, 2907, 4437, 4607, 4959, 5149, 7317, 7859, 8721, 9367, 13311, 13821, 14877, 15447, 23577, 28101, 41463, 46341, 70731, 84303, 87533, 124389, 133603, 139023, 149321, 212193, 252909, 262599, 400809, 447963, 787797, 1202427, 1343889, 2363391, 2538457, 3607281, 4031667, 7615371, 22846113, 68538339]

約数ペア:

[(1, 68538339), (3, 22846113), (9, 7615371), (17, 4031667), (19, 3607281), (27, 2538457), (29, 2363391), (51, 1343889), (57, 1202427), (87, 787797), (153, 447963), (171, 400809), (261, 262599), (271, 252909), (323, 212193), (459, 149321), (493, 139023), (513, 133603), (551, 124389), (783, 87533), (813, 84303), (969, 70731), (1479, 46341), (1653, 41463), (2439, 28101), (2907, 23577), (4437, 15447), (4607, 14877), (4959, 13821), (5149, 13311), (7317, 9367), (7859, 8721)]