199979283

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{221461}}^1$

素因数の和:221514

約数の個数: 16

約数和(自身を含む): 311818496

約数和(自身を除く): 111839213

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 221461, 664383, 1550227, 4650681, 9522823, 28568469, 66659761, 199979283]

約数ペア:

[(1, 199979283), (3, 66659761), (7, 28568469), (21, 9522823), (43, 4650681), (129, 1550227), (301, 664383), (903, 221461)]