84216105

素因数分解:

$3^4\times 5^1\times {\mathrm{207941}}^1$

素因数の和:207958

約数の個数: 20

約数和(自身を含む): 150965892

約数和(自身を除く): 66749787

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 207941, 623823, 1039705, 1871469, 3119115, 5614407, 9357345, 16843221, 28072035, 84216105]

約数ペア:

[(1, 84216105), (3, 28072035), (5, 16843221), (9, 9357345), (15, 5614407), (27, 3119115), (45, 1871469), (81, 1039705), (135, 623823), (405, 207941)]