66004551

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{28099}}^1$

素因数の和:28140

約数の個数: 20

約数和(自身を含む): 102003000

約数和(自身を除く): 35998449

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 28099, 84297, 252891, 758673, 814871, 2276019, 2444613, 7333839, 22001517, 66004551]

約数ペア:

[(1, 66004551), (3, 22001517), (9, 7333839), (27, 2444613), (29, 2276019), (81, 814871), (87, 758673), (261, 252891), (783, 84297), (2349, 28099)]