287228403

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138157}}^1$

素因数の和:138184

約数の個数: 32

約数和(自身を含む): 530526720

約数和(自身を除く): 243298317

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 138157, 414471, 967099, 1243413, 1519727, 2901297, 3730239, 4559181, 8703891, 10638089, 13677543, 26111673, 31914267, 41032629, 95742801, 287228403]

約数ペア:

[(1, 287228403), (3, 95742801), (7, 41032629), (9, 31914267), (11, 26111673), (21, 13677543), (27, 10638089), (33, 8703891), (63, 4559181), (77, 3730239), (99, 2901297), (189, 1519727), (231, 1243413), (297, 967099), (693, 414471), (2079, 138157)]