31247715

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 51609600

約数和(自身を除く): 20361885

約数列:

[1, 3, 5, 15, 47, 127, 141, 235, 349, 381, 635, 705, 1047, 1745, 1905, 5235, 5969, 16403, 17907, 29845, 44323, 49209, 82015, 89535, 132969, 221615, 246045, 664845, 2083181, 6249543, 10415905, 31247715]

約数ペア:

[(1, 31247715), (3, 10415905), (5, 6249543), (15, 2083181), (47, 664845), (127, 246045), (141, 221615), (235, 132969), (349, 89535), (381, 82015), (635, 49209), (705, 44323), (1047, 29845), (1745, 17907), (1905, 16403), (5235, 5969)]