156985181217

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{7541201}}^1$

素因数の和:7541470

約数の個数: 20

約数和(自身を含む): 235421244036

約数和(自身を除く): 78436062819

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 20817, 7541201, 22623603, 67870809, 203612427, 610837281, 1938088657, 5814265971, 17442797913, 52328393739, 156985181217]

約数ペア:

[(1, 156985181217), (3, 52328393739), (9, 17442797913), (27, 5814265971), (81, 1938088657), (257, 610837281), (771, 203612427), (2313, 67870809), (6939, 22623603), (20817, 7541201)]