28004379

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1439}}^1$

素因数の和:1954

約数の個数: 16

約数和(自身を含む): 40320000

約数和(自身を除く): 12315621

約数列:

[1, 3, 13, 39, 499, 1439, 1497, 4317, 6487, 18707, 19461, 56121, 718061, 2154183, 9334793, 28004379]

約数ペア:

[(1, 28004379), (3, 9334793), (13, 2154183), (39, 718061), (499, 56121), (1439, 19461), (1497, 18707), (4317, 6487)]