156858687

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{8171}}^1$

素因数の和:8265

約数の個数: 24

約数和(自身を含む): 237968640

約数和(自身を除く): 81109953

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 2133, 6399, 8171, 19197, 24513, 73539, 220617, 645509, 661851, 1936527, 1985553, 5809581, 17428743, 52286229, 156858687]

約数ペア:

[(1, 156858687), (3, 52286229), (9, 17428743), (27, 5809581), (79, 1985553), (81, 1936527), (237, 661851), (243, 645509), (711, 220617), (2133, 73539), (6399, 24513), (8171, 19197)]