12439257

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1277}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 17667072

約数和(自身を除く): 5227815

約数列:

[1, 3, 17, 51, 191, 573, 1277, 3247, 3831, 9741, 21709, 65127, 243907, 731721, 4146419, 12439257]

約数ペア:

[(1, 12439257), (3, 4146419), (17, 731721), (51, 243907), (191, 65127), (573, 21709), (1277, 9741), (3247, 3831)]