26077221

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{7487}}^1$

素因数の和:7542

約数の個数: 20

約数和(自身を含む): 39866112

約数和(自身を除く): 13788891

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 7487, 22461, 67383, 202149, 321941, 606447, 965823, 2897469, 8692407, 26077221]

約数ペア:

[(1, 26077221), (3, 8692407), (9, 2897469), (27, 965823), (43, 606447), (81, 321941), (129, 202149), (387, 67383), (1161, 22461), (3483, 7487)]