197455887

素因数分解:

$3^4\times {\mathrm{881}}^1\times {\mathrm{2767}}^1$

素因数の和:3660

約数の個数: 20

約数和(自身を含む): 295406496

約数和(自身を除く): 97950609

約数列:

[1, 3, 9, 27, 81, 881, 2643, 2767, 7929, 8301, 23787, 24903, 71361, 74709, 224127, 2437727, 7313181, 21939543, 65818629, 197455887]

約数ペア:

[(1, 197455887), (3, 65818629), (9, 21939543), (27, 7313181), (81, 2437727), (881, 224127), (2643, 74709), (2767, 71361), (7929, 24903), (8301, 23787)]