12712305

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19709}}^1$

素因数の和:19760

約数の個数: 16

約数和(自身を含む): 20813760

約数和(自身を除く): 8101455

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 19709, 59127, 98545, 295635, 847487, 2542461, 4237435, 12712305]

約数ペア:

[(1, 12712305), (3, 4237435), (5, 2542461), (15, 847487), (43, 295635), (129, 98545), (215, 59127), (645, 19709)]