25721085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7759}}^1$

素因数の和:7797

約数の個数: 32

約数和(自身を含む): 46932480

約数和(自身を除く): 21211395

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 7759, 23277, 38795, 100867, 116385, 131903, 302601, 395709, 504335, 659515, 1513005, 1714739, 1978545, 5144217, 8573695, 25721085]

約数ペア:

[(1, 25721085), (3, 8573695), (5, 5144217), (13, 1978545), (15, 1714739), (17, 1513005), (39, 659515), (51, 504335), (65, 395709), (85, 302601), (195, 131903), (221, 116385), (255, 100867), (663, 38795), (1105, 23277), (3315, 7759)]