27802971

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1979}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 46126080

約数和(自身を除く): 18323109

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 1979, 2007, 4683, 5937, 13853, 14049, 17811, 41559, 124677, 441317, 1323951, 3089219, 3971853, 9267657, 27802971]

約数ペア:

[(1, 27802971), (3, 9267657), (7, 3971853), (9, 3089219), (21, 1323951), (63, 441317), (223, 124677), (669, 41559), (1561, 17811), (1979, 14049), (2007, 13853), (4683, 5937)]