28217847

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31249}}^1$

素因数の和:31302

約数の個数: 16

約数和(自身を含む): 44000000

約数和(自身を除く): 15782153

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31249, 93747, 218743, 656229, 1343707, 4031121, 9405949, 28217847]

約数ペア:

[(1, 28217847), (3, 9405949), (7, 4031121), (21, 1343707), (43, 656229), (129, 218743), (301, 93747), (903, 31249)]