123558237

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{647}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 200309760

約数和(自身を除く): 76751523

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 643, 647, 1929, 1941, 5787, 5823, 7073, 7117, 17361, 17469, 21219, 21351, 63657, 64053, 190971, 192159, 416021, 1248063, 3744189, 4576231, 11232567, 13728693, 41186079, 123558237]

約数ペア:

[(1, 123558237), (3, 41186079), (9, 13728693), (11, 11232567), (27, 4576231), (33, 3744189), (99, 1248063), (297, 416021), (643, 192159), (647, 190971), (1929, 64053), (1941, 63657), (5787, 21351), (5823, 21219), (7073, 17469), (7117, 17361)]