206493057

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:715

約数の個数: 40

約数和(自身を含む): 323854080

約数和(自身を除く): 117361023

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 271, 409, 621, 813, 1227, 1863, 2439, 3681, 6233, 7317, 9407, 11043, 18699, 21951, 28221, 33129, 56097, 84663, 110839, 168291, 253989, 332517, 504873, 761967, 997551, 2549297, 2992653, 7647891, 8977959, 22943673, 68831019, 206493057]

約数ペア:

[(1, 206493057), (3, 68831019), (9, 22943673), (23, 8977959), (27, 7647891), (69, 2992653), (81, 2549297), (207, 997551), (271, 761967), (409, 504873), (621, 332517), (813, 253989), (1227, 168291), (1863, 110839), (2439, 84663), (3681, 56097), (6233, 33129), (7317, 28221), (9407, 21951), (11043, 18699)]