28237293

素因数分解:

$3^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{857}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 46757568

約数和(自身を除く): 18520275

約数列:

[1, 3, 7, 9, 21, 63, 523, 857, 1569, 2571, 3661, 4707, 5999, 7713, 10983, 17997, 32949, 53991, 448211, 1344633, 3137477, 4033899, 9412431, 28237293]

約数ペア:

[(1, 28237293), (3, 9412431), (7, 4033899), (9, 3137477), (21, 1344633), (63, 448211), (523, 53991), (857, 32949), (1569, 17997), (2571, 10983), (3661, 7713), (4707, 5999)]