12720495

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{36871}}^1$

素因数の和:36902

約数の個数: 16

約数和(自身を含む): 21238272

約数和(自身を除く): 8517777

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 36871, 110613, 184355, 553065, 848033, 2544099, 4240165, 12720495]

約数ペア:

[(1, 12720495), (3, 4240165), (5, 2544099), (15, 848033), (23, 553065), (69, 184355), (115, 110613), (345, 36871)]