201821191

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 249661440

約数和(自身を除く): 47840249

約数列:

[1, 11, 13, 31, 53, 143, 341, 403, 583, 689, 859, 1643, 4433, 7579, 9449, 11167, 18073, 21359, 26629, 45527, 122837, 234949, 292919, 346177, 500797, 591851, 1411337, 3807947, 6510361, 15524707, 18347381, 201821191]

約数ペア:

[(1, 201821191), (11, 18347381), (13, 15524707), (31, 6510361), (53, 3807947), (143, 1411337), (341, 591851), (403, 500797), (583, 346177), (689, 292919), (859, 234949), (1643, 122837), (4433, 45527), (7579, 26629), (9449, 21359), (11167, 18073)]