81118989

素因数分解:

$3^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 140521472

約数和(自身を除く): 59402483

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 243, 309, 463, 567, 721, 927, 1389, 1701, 2163, 2781, 3241, 4167, 6489, 8343, 9723, 12501, 19467, 25029, 29169, 37503, 47689, 58401, 87507, 112509, 143067, 175203, 262521, 333823, 429201, 787563, 1001469, 1287603, 3004407, 3862809, 9013221, 11588427, 27039663, 81118989]

約数ペア:

[(1, 81118989), (3, 27039663), (7, 11588427), (9, 9013221), (21, 3862809), (27, 3004407), (63, 1287603), (81, 1001469), (103, 787563), (189, 429201), (243, 333823), (309, 262521), (463, 175203), (567, 143067), (721, 112509), (927, 87507), (1389, 58401), (1701, 47689), (2163, 37503), (2781, 29169), (3241, 25029), (4167, 19467), (6489, 12501), (8343, 9723)]