140612031

素因数分解:

$3^4\times 7^1\times {\mathrm{247993}}^1$

素因数の和:248012

約数の個数: 20

約数和(自身を含む): 240058192

約数和(自身を除く): 99446161

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 247993, 743979, 1735951, 2231937, 5207853, 6695811, 15623559, 20087433, 46870677, 140612031]

約数ペア:

[(1, 140612031), (3, 46870677), (7, 20087433), (9, 15623559), (21, 6695811), (27, 5207853), (63, 2231937), (81, 1735951), (189, 743979), (567, 247993)]