6520905

素因数分解:

$3^6\times 5^1\times {\mathrm{1789}}^1$

素因数の和:1812

約数の個数: 28

約数和(自身を含む): 11738820

約数和(自身を除く): 5217915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1789, 3645, 5367, 8945, 16101, 26835, 48303, 80505, 144909, 241515, 434727, 724545, 1304181, 2173635, 6520905]

約数ペア:

[(1, 6520905), (3, 2173635), (5, 1304181), (9, 724545), (15, 434727), (27, 241515), (45, 144909), (81, 80505), (135, 48303), (243, 26835), (405, 16101), (729, 8945), (1215, 5367), (1789, 3645)]