201272121

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{57787}}^1$

素因数の和:57842

約数の個数: 20

約数和(自身を含む): 307663312

約数和(自身を除く): 106391191

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 57787, 173361, 520083, 1560249, 2484841, 4680747, 7454523, 22363569, 67090707, 201272121]

約数ペア:

[(1, 201272121), (3, 67090707), (9, 22363569), (27, 7454523), (43, 4680747), (81, 2484841), (129, 1560249), (387, 520083), (1161, 173361), (3483, 57787)]