54812781

素因数分解:

$3^7\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 83600640

約数和(自身を除く): 28787859

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 353, 639, 729, 1059, 1917, 2187, 3177, 5751, 9531, 17253, 25063, 28593, 51759, 75189, 85779, 155277, 225567, 257337, 676701, 772011, 2030103, 6090309, 18270927, 54812781]

約数ペア:

[(1, 54812781), (3, 18270927), (9, 6090309), (27, 2030103), (71, 772011), (81, 676701), (213, 257337), (243, 225567), (353, 155277), (639, 85779), (729, 75189), (1059, 51759), (1917, 28593), (2187, 25063), (3177, 17253), (5751, 9531)]