239721981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{28837}}^1$

素因数の和:29020

約数の個数: 16

約数和(自身を含む): 340519104

約数和(自身を除く): 100797123

約数列:

[1, 3, 17, 51, 163, 489, 2771, 8313, 28837, 86511, 490229, 1470687, 4700431, 14101293, 79907327, 239721981]

約数ペア:

[(1, 239721981), (3, 79907327), (17, 14101293), (51, 4700431), (163, 1470687), (489, 490229), (2771, 86511), (8313, 28837)]