408055887

素因数分解:

$3^4\times {\mathrm{1861}}^1\times {\mathrm{2707}}^1$

素因数の和:4580

約数の個数: 20

約数和(自身を含む): 610117816

約数和(自身を除く): 202061929

約数列:

[1, 3, 9, 27, 81, 1861, 2707, 5583, 8121, 16749, 24363, 50247, 73089, 150741, 219267, 5037727, 15113181, 45339543, 136018629, 408055887]

約数ペア:

[(1, 408055887), (3, 136018629), (9, 45339543), (27, 15113181), (81, 5037727), (1861, 219267), (2707, 150741), (5583, 73089), (8121, 50247), (16749, 24363)]