12719511

素因数分解:

$3^4\times 7^1\times {\mathrm{22433}}^1$

素因数の和:22452

約数の個数: 20

約数和(自身を含む): 21716112

約数和(自身を除く): 8996601

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22433, 67299, 157031, 201897, 471093, 605691, 1413279, 1817073, 4239837, 12719511]

約数ペア:

[(1, 12719511), (3, 4239837), (7, 1817073), (9, 1413279), (21, 605691), (27, 471093), (63, 201897), (81, 157031), (189, 67299), (567, 22433)]