199919691

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4933}}^1$

素因数の和:5040

約数の個数: 32

約数和(自身を含む): 315776000

約数和(自身を除く): 115856309

約数列:

[1, 3, 9, 19, 27, 57, 79, 171, 237, 513, 711, 1501, 2133, 4503, 4933, 13509, 14799, 40527, 44397, 93727, 133191, 281181, 389707, 843543, 1169121, 2530629, 3507363, 7404433, 10522089, 22213299, 66639897, 199919691]

約数ペア:

[(1, 199919691), (3, 66639897), (9, 22213299), (19, 10522089), (27, 7404433), (57, 3507363), (79, 2530629), (171, 1169121), (237, 843543), (513, 389707), (711, 281181), (1501, 133191), (2133, 93727), (4503, 44397), (4933, 40527), (13509, 14799)]