201397251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2127

約数の個数: 32

約数和(自身を含む): 304128000

約数和(自身を除く): 102730749

約数列:

[1, 3, 11, 33, 43, 71, 129, 213, 473, 781, 1419, 1999, 2343, 3053, 5997, 9159, 21989, 33583, 65967, 85957, 100749, 141929, 257871, 425787, 945527, 1561219, 2836581, 4683657, 6102947, 18308841, 67132417, 201397251]

約数ペア:

[(1, 201397251), (3, 67132417), (11, 18308841), (33, 6102947), (43, 4683657), (71, 2836581), (129, 1561219), (213, 945527), (473, 425787), (781, 257871), (1419, 141929), (1999, 100749), (2343, 85957), (3053, 65967), (5997, 33583), (9159, 21989)]