2160837

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 40

約数和(自身を含む): 3825536

約数和(自身を除く): 1664699

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 103, 111, 189, 259, 309, 333, 567, 721, 777, 927, 999, 2163, 2331, 2781, 2997, 3811, 6489, 6993, 8343, 11433, 19467, 20979, 26677, 34299, 58401, 80031, 102897, 240093, 308691, 720279, 2160837]

約数ペア:

[(1, 2160837), (3, 720279), (7, 308691), (9, 240093), (21, 102897), (27, 80031), (37, 58401), (63, 34299), (81, 26677), (103, 20979), (111, 19467), (189, 11433), (259, 8343), (309, 6993), (333, 6489), (567, 3811), (721, 2997), (777, 2781), (927, 2331), (999, 2163)]