28709079

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31793}}^1$

素因数の和:31846

約数の個数: 16

約数和(自身を含む): 44765952

約数和(自身を除く): 16056873

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31793, 95379, 222551, 667653, 1367099, 4101297, 9569693, 28709079]

約数ペア:

[(1, 28709079), (3, 9569693), (7, 4101297), (21, 1367099), (43, 667653), (129, 222551), (301, 95379), (903, 31793)]