238367619

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{87991}}^1$

素因数の和:88047

約数の個数: 24

約数和(自身を含む): 402651392

約数和(自身を除く): 164283773

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 87991, 263973, 615937, 791919, 1847811, 3783613, 5543433, 11350839, 26485291, 34052517, 79455873, 238367619]

約数ペア:

[(1, 238367619), (3, 79455873), (7, 34052517), (9, 26485291), (21, 11350839), (43, 5543433), (63, 3783613), (129, 1847811), (301, 791919), (387, 615937), (903, 263973), (2709, 87991)]