8420236479

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1145143}}^1$

素因数の和:1145211

約数の個数: 24

約数和(自身を含む): 13100447360

約数和(自身を除く): 4680210881

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 1145143, 3435429, 10306287, 21757717, 49241149, 65273151, 147723447, 195819453, 443170341, 935581831, 2806745493, 8420236479]

約数ペア:

[(1, 8420236479), (3, 2806745493), (9, 935581831), (19, 443170341), (43, 195819453), (57, 147723447), (129, 65273151), (171, 49241149), (387, 21757717), (817, 10306287), (2451, 3435429), (7353, 1145143)]