12756165

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19777}}^1$

素因数の和:19828

約数の個数: 16

約数和(自身を含む): 20885568

約数和(自身を除く): 8129403

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 19777, 59331, 98885, 296655, 850411, 2551233, 4252055, 12756165]

約数ペア:

[(1, 12756165), (3, 4252055), (5, 2551233), (15, 850411), (43, 296655), (129, 98885), (215, 59331), (645, 19777)]