1389927357

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1867}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 2582143872

約数和(自身を除く): 1192216515

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 101, 117, 189, 273, 303, 351, 567, 707, 819, 909, 1053, 1313, 1867, 2121, 2457, 2727, 3939, 5601, 6363, 7371, 8181, 9191, 11817, 13069, 16803, 19089, 24271, 27573, 35451, 39207, 50409, 57267, 72813, 82719, 106353, 117621, 151227, 169897, 188567, 218439, 248157, 352863, 509691, 565701, 655317, 744471, 1058589, 1319969, 1529073, 1697103, 1965951, 2451371, 3959907, 4587219, 5091309, 7354113, 11879721, 13761657, 15273927, 17159597, 22062339, 35639163, 51478791, 66187017, 106917489, 154436373, 198561051, 463309119, 1389927357]

約数ペア:

[(1, 1389927357), (3, 463309119), (7, 198561051), (9, 154436373), (13, 106917489), (21, 66187017), (27, 51478791), (39, 35639163), (63, 22062339), (81, 17159597), (91, 15273927), (101, 13761657), (117, 11879721), (189, 7354113), (273, 5091309), (303, 4587219), (351, 3959907), (567, 2451371), (707, 1965951), (819, 1697103), (909, 1529073), (1053, 1319969), (1313, 1058589), (1867, 744471), (2121, 655317), (2457, 565701), (2727, 509691), (3939, 352863), (5601, 248157), (6363, 218439), (7371, 188567), (8181, 169897), (9191, 151227), (11817, 117621), (13069, 106353), (16803, 82719), (19089, 72813), (24271, 57267), (27573, 50409), (35451, 39207)]