27238221

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 15529779

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 783, 809, 1161, 1247, 2427, 3741, 7281, 11223, 21843, 23461, 33669, 34787, 70383, 104361, 211149, 313083, 633447, 939249, 1008823, 3026469, 9079407, 27238221]

約数ペア:

[(1, 27238221), (3, 9079407), (9, 3026469), (27, 1008823), (29, 939249), (43, 633447), (87, 313083), (129, 211149), (261, 104361), (387, 70383), (783, 34787), (809, 33669), (1161, 23461), (1247, 21843), (2427, 11223), (3741, 7281)]