81312585

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{115337}}^1$

素因数の和:115392

約数の個数: 16

約数和(自身を含む): 132869376

約数和(自身を除く): 51556791

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 115337, 346011, 576685, 1730055, 5420839, 16262517, 27104195, 81312585]

約数ペア:

[(1, 81312585), (3, 27104195), (5, 16262517), (15, 5420839), (47, 1730055), (141, 576685), (235, 346011), (705, 115337)]