80891703

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{4733}}^1$

素因数の和:4956

約数の個数: 20

約数和(自身を含む): 121436568

約数和(自身を除く): 40544865

約数列:

[1, 3, 9, 27, 81, 211, 633, 1899, 4733, 5697, 14199, 17091, 42597, 127791, 383373, 998663, 2995989, 8987967, 26963901, 80891703]

約数ペア:

[(1, 80891703), (3, 26963901), (9, 8987967), (27, 2995989), (81, 998663), (211, 383373), (633, 127791), (1899, 42597), (4733, 17091), (5697, 14199)]