51331239

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 81544320

約数和(自身を除く): 30213081

約数列:

[1, 3, 9, 23, 27, 59, 69, 81, 177, 207, 467, 531, 621, 1357, 1401, 1593, 1863, 4071, 4203, 4779, 10741, 12213, 12609, 27553, 32223, 36639, 37827, 82659, 96669, 109917, 247977, 290007, 633719, 743931, 870021, 1901157, 2231793, 5703471, 17110413, 51331239]

約数ペア:

[(1, 51331239), (3, 17110413), (9, 5703471), (23, 2231793), (27, 1901157), (59, 870021), (69, 743931), (81, 633719), (177, 290007), (207, 247977), (467, 109917), (531, 96669), (621, 82659), (1357, 37827), (1401, 36639), (1593, 32223), (1863, 27553), (4071, 12609), (4203, 12213), (4779, 10741)]