2489640321

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{727327}}^1$

素因数の和:727500

約数の個数: 16

約数和(自身を含む): 3817017344

約数和(自身を除く): 1327377023

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 727327, 2181981, 5091289, 15273867, 118554301, 355662903, 829880107, 2489640321]

約数ペア:

[(1, 2489640321), (3, 829880107), (7, 355662903), (21, 118554301), (163, 15273867), (489, 5091289), (1141, 2181981), (3423, 727327)]