87457293

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 176947200

約数和(自身を除く): 89489907

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 31, 33, 59, 63, 69, 77, 93, 99, 161, 177, 189, 207, 217, 231, 253, 279, 297, 341, 413, 483, 531, 621, 649, 651, 693, 713, 759, 837, 1023, 1239, 1357, 1449, 1593, 1771, 1829, 1947, 1953, 2079, 2139, 2277, 2387, 3069, 3717, 4071, 4347, 4543, 4991, 5313, 5487, 5841, 5859, 6417, 6831, 7161, 7843, 9207, 9499, 11151, 12213, 12803, 13629, 14927, 14973, 15939, 16461, 17523, 19251, 20119, 21483, 23529, 28497, 36639, 38409, 40887, 42067, 44781, 44919, 47817, 49383, 54901, 60357, 64449, 70587, 85491, 104489, 115227, 122661, 126201, 134343, 134757, 140833, 164703, 181071, 211761, 256473, 294469, 313467, 345681, 378603, 403029, 422499, 462737, 494109, 543213, 883407, 940401, 1135809, 1267497, 1388211, 1482327, 2650221, 2821203, 3239159, 3802491, 4164633, 7950663, 9717477, 12493899, 29152431, 87457293]

約数ペア:

[(1, 87457293), (3, 29152431), (7, 12493899), (9, 9717477), (11, 7950663), (21, 4164633), (23, 3802491), (27, 3239159), (31, 2821203), (33, 2650221), (59, 1482327), (63, 1388211), (69, 1267497), (77, 1135809), (93, 940401), (99, 883407), (161, 543213), (177, 494109), (189, 462737), (207, 422499), (217, 403029), (231, 378603), (253, 345681), (279, 313467), (297, 294469), (341, 256473), (413, 211761), (483, 181071), (531, 164703), (621, 140833), (649, 134757), (651, 134343), (693, 126201), (713, 122661), (759, 115227), (837, 104489), (1023, 85491), (1239, 70587), (1357, 64449), (1449, 60357), (1593, 54901), (1771, 49383), (1829, 47817), (1947, 44919), (1953, 44781), (2079, 42067), (2139, 40887), (2277, 38409), (2387, 36639), (3069, 28497), (3717, 23529), (4071, 21483), (4347, 20119), (4543, 19251), (4991, 17523), (5313, 16461), (5487, 15939), (5841, 14973), (5859, 14927), (6417, 13629), (6831, 12803), (7161, 12213), (7843, 11151), (9207, 9499)]