1551137121

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:815

約数の個数: 40

約数和(自身を含む): 2343223080

約数和(自身を除く): 792085959

約数列:

[1, 3, 9, 27, 81, 257, 269, 277, 771, 807, 831, 2313, 2421, 2493, 6939, 7263, 7479, 20817, 21789, 22437, 69133, 71189, 74513, 207399, 213567, 223539, 622197, 640701, 670617, 1866591, 1922103, 2011851, 5599773, 5766309, 6035553, 19149841, 57449523, 172348569, 517045707, 1551137121]

約数ペア:

[(1, 1551137121), (3, 517045707), (9, 172348569), (27, 57449523), (81, 19149841), (257, 6035553), (269, 5766309), (277, 5599773), (771, 2011851), (807, 1922103), (831, 1866591), (2313, 670617), (2421, 640701), (2493, 622197), (6939, 223539), (7263, 213567), (7479, 207399), (20817, 74513), (21789, 71189), (22437, 69133)]