156726981

素因数分解:

$3^7\times {\mathrm{71663}}^1$

素因数の和:71684

約数の個数: 16

約数和(自身を含む): 235057920

約数和(自身を除く): 78330939

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 71663, 214989, 644967, 1934901, 5804703, 17414109, 52242327, 156726981]

約数ペア:

[(1, 156726981), (3, 52242327), (9, 17414109), (27, 5804703), (81, 1934901), (243, 644967), (729, 214989), (2187, 71663)]