28237713

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31271}}^1$

素因数の和:31324

約数の個数: 16

約数和(自身を含む): 44030976

約数和(自身を除く): 15793263

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31271, 93813, 218897, 656691, 1344653, 4033959, 9412571, 28237713]

約数ペア:

[(1, 28237713), (3, 9412571), (7, 4033959), (21, 1344653), (43, 656691), (129, 218897), (301, 93813), (903, 31271)]