12784389

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6389}}^1$

素因数の和:6444

約数の個数: 16

約数和(自身を含む): 18403200

約数和(自身を除く): 5618811

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 6389, 19167, 146947, 185281, 440841, 555843, 4261463, 12784389]

約数ペア:

[(1, 12784389), (3, 4261463), (23, 555843), (29, 440841), (69, 185281), (87, 146947), (667, 19167), (2001, 6389)]