87123891

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{12743}}^1$

素因数の和:12842

約数の個数: 16

約数和(自身を含む): 121118976

約数和(自身を除く): 33995085

約数列:

[1, 3, 43, 53, 129, 159, 2279, 6837, 12743, 38229, 547949, 675379, 1643847, 2026137, 29041297, 87123891]

約数ペア:

[(1, 87123891), (3, 29041297), (43, 2026137), (53, 1643847), (129, 675379), (159, 547949), (2279, 38229), (6837, 12743)]