271992357

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3631

約数の個数: 64

約数和(自身を含む): 512081920

約数和(自身を除く): 240089563

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 91, 93, 117, 189, 217, 273, 279, 351, 403, 651, 819, 837, 1209, 1953, 2457, 2821, 3571, 3627, 5859, 8463, 10713, 10881, 24997, 25389, 32139, 46423, 74991, 76167, 96417, 110701, 139269, 224973, 324961, 332103, 417807, 674919, 774907, 974883, 996309, 1253421, 1439113, 2324721, 2924649, 2988927, 4317339, 6974163, 8773947, 10073791, 12952017, 20922489, 30221373, 38856051, 90664119, 271992357]

約数ペア:

[(1, 271992357), (3, 90664119), (7, 38856051), (9, 30221373), (13, 20922489), (21, 12952017), (27, 10073791), (31, 8773947), (39, 6974163), (63, 4317339), (91, 2988927), (93, 2924649), (117, 2324721), (189, 1439113), (217, 1253421), (273, 996309), (279, 974883), (351, 774907), (403, 674919), (651, 417807), (819, 332103), (837, 324961), (1209, 224973), (1953, 139269), (2457, 110701), (2821, 96417), (3571, 76167), (3627, 74991), (5859, 46423), (8463, 32139), (10713, 25389), (10881, 24997)]