12872715

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6551}}^1$

素因数の和:6690

約数の個数: 16

約数和(自身を含む): 20756736

約数和(自身を除く): 7884021

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 6551, 19653, 32755, 98265, 858181, 2574543, 4290905, 12872715]

約数ペア:

[(1, 12872715), (3, 4290905), (5, 2574543), (15, 858181), (131, 98265), (393, 32755), (655, 19653), (1965, 6551)]