221569161891

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1\times {\mathrm{16699}}^1$

素因数の和:17600

約数の個数: 64

約数和(自身を含む): 373994496000

約数和(自身を除く): 152425334109

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 809, 1491, 2343, 2427, 5467, 5663, 8899, 16401, 16699, 16989, 26697, 50097, 57439, 62293, 116893, 172317, 183689, 186879, 350679, 402073, 551067, 631829, 1185629, 1206219, 1285823, 1895487, 3556887, 3857469, 4422803, 8299403, 13041919, 13268409, 13509491, 24898209, 39125757, 40528473, 91293433, 94566437, 148604401, 273880299, 283699311, 445813203, 959173861, 1040230807, 2877521583, 3120692421, 6714217027, 10550912471, 20142651081, 31652737413, 73856387297, 221569161891]

約数ペア:

[(1, 221569161891), (3, 73856387297), (7, 31652737413), (11, 20142651081), (21, 10550912471), (33, 6714217027), (71, 3120692421), (77, 2877521583), (213, 1040230807), (231, 959173861), (497, 445813203), (781, 283699311), (809, 273880299), (1491, 148604401), (2343, 94566437), (2427, 91293433), (5467, 40528473), (5663, 39125757), (8899, 24898209), (16401, 13509491), (16699, 13268409), (16989, 13041919), (26697, 8299403), (50097, 4422803), (57439, 3857469), (62293, 3556887), (116893, 1895487), (172317, 1285823), (183689, 1206219), (186879, 1185629), (350679, 631829), (402073, 551067)]