239042391

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{72503}}^1$

素因数の和:72670

約数の個数: 16

約数和(自身を含む): 366580224

約数和(自身を除く): 127537833

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 72503, 217509, 507521, 1522563, 11382971, 34148913, 79680797, 239042391]

約数ペア:

[(1, 239042391), (3, 79680797), (7, 34148913), (21, 11382971), (157, 1522563), (471, 507521), (1099, 217509), (3297, 72503)]