208963791

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{293}}^1\times {\mathrm{727}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 306065760

約数和(自身を除く): 97101969

約数列:

[1, 3, 9, 109, 293, 327, 727, 879, 981, 2181, 2637, 6543, 31937, 79243, 95811, 213011, 237729, 287433, 639033, 713187, 1917099, 23218199, 69654597, 208963791]

約数ペア:

[(1, 208963791), (3, 69654597), (9, 23218199), (109, 1917099), (293, 713187), (327, 639033), (727, 287433), (879, 237729), (981, 213011), (2181, 95811), (2637, 79243), (6543, 31937)]