12981039

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 18144000

約数和(自身を除く): 5162961

約数列:

[1, 3, 23, 69, 419, 449, 1257, 1347, 9637, 10327, 28911, 30981, 188131, 564393, 4327013, 12981039]

約数ペア:

[(1, 12981039), (3, 4327013), (23, 564393), (69, 188131), (419, 30981), (449, 28911), (1257, 10327), (1347, 9637)]