80815185

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54421}}^1$

素因数の和:54446

約数の個数: 32

約数和(自身を含む): 156735360

約数和(自身を除く): 75920175

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 54421, 163263, 272105, 489789, 598631, 816315, 1469367, 1795893, 2448945, 2993155, 5387679, 7346835, 8979465, 16163037, 26938395, 80815185]

約数ペア:

[(1, 80815185), (3, 26938395), (5, 16163037), (9, 8979465), (11, 7346835), (15, 5387679), (27, 2993155), (33, 2448945), (45, 1795893), (55, 1469367), (99, 816315), (135, 598631), (165, 489789), (297, 272105), (495, 163263), (1485, 54421)]