128445429

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1381}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 202369024

約数和(自身を除く): 73923595

約数列:

[1, 3, 7, 21, 43, 103, 129, 301, 309, 721, 903, 1381, 2163, 4143, 4429, 9667, 13287, 29001, 31003, 59383, 93009, 142243, 178149, 415681, 426729, 995701, 1247043, 2987103, 6116449, 18349347, 42815143, 128445429]

約数ペア:

[(1, 128445429), (3, 42815143), (7, 18349347), (21, 6116449), (43, 2987103), (103, 1247043), (129, 995701), (301, 426729), (309, 415681), (721, 178149), (903, 142243), (1381, 93009), (2163, 59383), (4143, 31003), (4429, 29001), (9667, 13287)]