121219721

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{607}}^2$

素因数の和:1268

約数の個数: 12

約数和(自身を含む): 141717888

約数和(自身を除く): 20498167

約数列:

[1, 7, 47, 329, 607, 4249, 28529, 199703, 368449, 2579143, 17317103, 121219721]

約数ペア:

[(1, 121219721), (7, 17317103), (47, 2579143), (329, 368449), (607, 199703), (4249, 28529)]