128520027

素因数分解:

$3^5\times {\mathrm{167}}^1\times {\mathrm{3167}}^1$

素因数の和:3349

約数の個数: 24

約数和(自身を含む): 193729536

約数和(自身を除く): 65209509

約数列:

[1, 3, 9, 27, 81, 167, 243, 501, 1503, 3167, 4509, 9501, 13527, 28503, 40581, 85509, 256527, 528889, 769581, 1586667, 4760001, 14280003, 42840009, 128520027]

約数ペア:

[(1, 128520027), (3, 42840009), (9, 14280003), (27, 4760001), (81, 1586667), (167, 769581), (243, 528889), (501, 256527), (1503, 85509), (3167, 40581), (4509, 28503), (9501, 13527)]