2151199

素因数分解:

${\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 12

約数和(自身を含む): 2331720

約数和(自身を除く): 180521

約数列:

[1, 19, 59, 101, 361, 1121, 1919, 5959, 21299, 36461, 113221, 2151199]

約数ペア:

[(1, 2151199), (19, 113221), (59, 36461), (101, 21299), (361, 5959), (1121, 1919)]