28243131

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31277}}^1$

素因数の和:31330

約数の個数: 16

約数和(自身を含む): 44039424

約数和(自身を除く): 15796293

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31277, 93831, 218939, 656817, 1344911, 4034733, 9414377, 28243131]

約数ペア:

[(1, 28243131), (3, 9414377), (7, 4034733), (21, 1344911), (43, 656817), (129, 218939), (301, 93831), (903, 31277)]