27478491

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2\times {\mathrm{79}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 39267840

約数和(自身を除く): 11789349

約数列:

[1, 3, 23, 69, 71, 79, 213, 237, 1633, 1817, 4899, 5041, 5451, 5609, 15123, 16827, 115943, 129007, 347829, 387021, 398239, 1194717, 9159497, 27478491]

約数ペア:

[(1, 27478491), (3, 9159497), (23, 1194717), (69, 398239), (71, 387021), (79, 347829), (213, 129007), (237, 115943), (1633, 16827), (1817, 15123), (4899, 5609), (5041, 5451)]