8078021217

素因数分解:

$3^4\times 7^1\times {\mathrm{643}}^1\times {\mathrm{22157}}^1$

素因数の和:22819

約数の個数: 40

約数和(自身を含む): 13813119936

約数和(自身を除く): 5735098719

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 643, 1929, 4501, 5787, 13503, 17361, 22157, 40509, 52083, 66471, 121527, 155099, 199413, 364581, 465297, 598239, 1395891, 1794717, 4187673, 12563019, 14246951, 42740853, 99728657, 128222559, 299185971, 384667677, 897557913, 1154003031, 2692673739, 8078021217]

約数ペア:

[(1, 8078021217), (3, 2692673739), (7, 1154003031), (9, 897557913), (21, 384667677), (27, 299185971), (63, 128222559), (81, 99728657), (189, 42740853), (567, 14246951), (643, 12563019), (1929, 4187673), (4501, 1794717), (5787, 1395891), (13503, 598239), (17361, 465297), (22157, 364581), (40509, 199413), (52083, 155099), (66471, 121527)]