172828383

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{2237}}^1$

素因数の和:2543

約数の個数: 32

約数和(自身を含む): 284745216

約数和(自身を除く): 111916833

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 283, 849, 1981, 2237, 3679, 5943, 6711, 11037, 15659, 25753, 29081, 46977, 77259, 87243, 203567, 610701, 633071, 1899213, 4431497, 8229923, 13294491, 24689769, 57609461, 172828383]

約数ペア:

[(1, 172828383), (3, 57609461), (7, 24689769), (13, 13294491), (21, 8229923), (39, 4431497), (91, 1899213), (273, 633071), (283, 610701), (849, 203567), (1981, 87243), (2237, 77259), (3679, 46977), (5943, 29081), (6711, 25753), (11037, 15659)]