1291340229

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{20929}}^1$

素因数の和:21220

約数の個数: 16

約数和(自身を含む): 1746064320

約数和(自身を除く): 454724091

約数列:

[1, 3, 131, 157, 393, 471, 20567, 20929, 61701, 62787, 2741699, 3285853, 8225097, 9857559, 430446743, 1291340229]

約数ペア:

[(1, 1291340229), (3, 430446743), (131, 9857559), (157, 8225097), (393, 3285853), (471, 2741699), (20567, 62787), (20929, 61701)]