81447363

素因数分解:

$3^4\times {\mathrm{431}}^1\times {\mathrm{2333}}^1$

素因数の和:2776

約数の個数: 20

約数和(自身を含む): 122002848

約数和(自身を除く): 40555485

約数列:

[1, 3, 9, 27, 81, 431, 1293, 2333, 3879, 6999, 11637, 20997, 34911, 62991, 188973, 1005523, 3016569, 9049707, 27149121, 81447363]

約数ペア:

[(1, 81447363), (3, 27149121), (9, 9049707), (27, 3016569), (81, 1005523), (431, 188973), (1293, 62991), (2333, 34911), (3879, 20997), (6999, 11637)]