1775115

素因数分解:

$3^6\times 5^1\times {\mathrm{487}}^1$

素因数の和:510

約数の個数: 28

約数和(自身を含む): 3200304

約数和(自身を除く): 1425189

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 487, 729, 1215, 1461, 2435, 3645, 4383, 7305, 13149, 21915, 39447, 65745, 118341, 197235, 355023, 591705, 1775115]

約数ペア:

[(1, 1775115), (3, 591705), (5, 355023), (9, 197235), (15, 118341), (27, 65745), (45, 39447), (81, 21915), (135, 13149), (243, 7305), (405, 4383), (487, 3645), (729, 2435), (1215, 1461)]