81514713

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{90271}}^1$

素因数の和:90324

約数の個数: 16

約数和(自身を含む): 127102976

約数和(自身を除く): 45588263

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 90271, 270813, 631897, 1895691, 3881653, 11644959, 27171571, 81514713]

約数ペア:

[(1, 81514713), (3, 27171571), (7, 11644959), (21, 3881653), (43, 1895691), (129, 631897), (301, 270813), (903, 90271)]