71390781

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1543

約数の個数: 64

約数和(自身を含む): 137687040

約数和(自身を除く): 66296259

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 99, 161, 189, 207, 231, 253, 297, 483, 621, 693, 759, 1449, 1493, 1771, 2079, 2277, 4347, 4479, 5313, 6831, 10451, 13437, 15939, 16423, 31353, 34339, 40311, 47817, 49269, 94059, 103017, 114961, 147807, 240373, 282177, 309051, 344883, 377729, 443421, 721119, 927153, 1034649, 1133187, 2163357, 2644103, 3103947, 3399561, 6490071, 7932309, 10198683, 23796927, 71390781]

約数ペア:

[(1, 71390781), (3, 23796927), (7, 10198683), (9, 7932309), (11, 6490071), (21, 3399561), (23, 3103947), (27, 2644103), (33, 2163357), (63, 1133187), (69, 1034649), (77, 927153), (99, 721119), (161, 443421), (189, 377729), (207, 344883), (231, 309051), (253, 282177), (297, 240373), (483, 147807), (621, 114961), (693, 103017), (759, 94059), (1449, 49269), (1493, 47817), (1771, 40311), (2079, 34339), (2277, 31353), (4347, 16423), (4479, 15939), (5313, 13437), (6831, 10451)]