664684293

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{51803}}^1$

素因数の和:51873

約数の個数: 32

約数和(自身を含む): 1113993216

約数和(自身を除く): 449308923

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 51803, 155409, 362621, 673439, 1087863, 2020317, 2434741, 4714073, 7304223, 14142219, 17043187, 31651633, 51129561, 94954899, 221561431, 664684293]

約数ペア:

[(1, 664684293), (3, 221561431), (7, 94954899), (13, 51129561), (21, 31651633), (39, 17043187), (47, 14142219), (91, 7304223), (141, 4714073), (273, 2434741), (329, 2020317), (611, 1087863), (987, 673439), (1833, 362621), (4277, 155409), (12831, 51803)]