205673853

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 353138688

約数和(自身を除く): 147464835

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 97, 137, 201, 231, 291, 411, 469, 679, 737, 959, 1067, 1407, 1507, 2037, 2211, 2877, 3201, 4521, 5159, 6499, 7469, 9179, 10549, 13289, 15477, 19497, 22407, 27537, 31647, 39867, 45493, 64253, 71489, 93023, 100969, 136479, 146179, 192759, 214467, 279069, 302907, 438537, 500423, 706783, 890363, 1023253, 1501269, 2120349, 2671089, 3069759, 6232541, 9793993, 18697623, 29381979, 68557951, 205673853]

約数ペア:

[(1, 205673853), (3, 68557951), (7, 29381979), (11, 18697623), (21, 9793993), (33, 6232541), (67, 3069759), (77, 2671089), (97, 2120349), (137, 1501269), (201, 1023253), (231, 890363), (291, 706783), (411, 500423), (469, 438537), (679, 302907), (737, 279069), (959, 214467), (1067, 192759), (1407, 146179), (1507, 136479), (2037, 100969), (2211, 93023), (2877, 71489), (3201, 64253), (4521, 45493), (5159, 39867), (6499, 31647), (7469, 27537), (9179, 22407), (10549, 19497), (13289, 15477)]