163916217

素因数分解:

$3^4\times {\mathrm{881}}^1\times {\mathrm{2297}}^1$

素因数の和:3190

約数の個数: 20

約数和(自身を含む): 245247156

約数和(自身を除く): 81330939

約数列:

[1, 3, 9, 27, 81, 881, 2297, 2643, 6891, 7929, 20673, 23787, 62019, 71361, 186057, 2023657, 6070971, 18212913, 54638739, 163916217]

約数ペア:

[(1, 163916217), (3, 54638739), (9, 18212913), (27, 6070971), (81, 2023657), (881, 186057), (2297, 71361), (2643, 62019), (6891, 23787), (7929, 20673)]