80862057

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{26981}}^1$

素因数の和:27030

約数の個数: 20

約数和(自身を含む): 124063236

約数和(自身を除く): 43201179

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 26981, 80943, 242829, 728487, 998297, 2185461, 2994891, 8984673, 26954019, 80862057]

約数ペア:

[(1, 80862057), (3, 26954019), (9, 8984673), (27, 2994891), (37, 2185461), (81, 998297), (111, 728487), (333, 242829), (999, 80943), (2997, 26981)]