157280319

素因数分解:

$3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4649}}^1$

素因数の和:4844

約数の個数: 32

約数和(自身を含む): 267840000

約数和(自身を除く): 110559681

約数列:

[1, 3, 7, 9, 21, 27, 63, 179, 189, 537, 1253, 1611, 3759, 4649, 4833, 11277, 13947, 32543, 33831, 41841, 97629, 125523, 292887, 832171, 878661, 2496513, 5825197, 7489539, 17475591, 22468617, 52426773, 157280319]

約数ペア:

[(1, 157280319), (3, 52426773), (7, 22468617), (9, 17475591), (21, 7489539), (27, 5825197), (63, 2496513), (179, 878661), (189, 832171), (537, 292887), (1253, 125523), (1611, 97629), (3759, 41841), (4649, 33831), (4833, 32543), (11277, 13947)]