2156463

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:428

約数の個数: 20

約数和(自身を含む): 3271840

約数和(自身を除く): 1115377

約数列:

[1, 3, 9, 27, 79, 81, 237, 337, 711, 1011, 2133, 3033, 6399, 9099, 26623, 27297, 79869, 239607, 718821, 2156463]

約数ペア:

[(1, 2156463), (3, 718821), (9, 239607), (27, 79869), (79, 27297), (81, 26623), (237, 9099), (337, 6399), (711, 3033), (1011, 2133)]