217080081

素因数分解:

$3^4\times {\mathrm{743}}^1\times {\mathrm{3607}}^1$

素因数の和:4362

約数の個数: 20

約数和(自身を含む): 324806592

約数和(自身を除く): 107726511

約数列:

[1, 3, 9, 27, 81, 743, 2229, 3607, 6687, 10821, 20061, 32463, 60183, 97389, 292167, 2680001, 8040003, 24120009, 72360027, 217080081]

約数ペア:

[(1, 217080081), (3, 72360027), (9, 24120009), (27, 8040003), (81, 2680001), (743, 292167), (2229, 97389), (3607, 60183), (6687, 32463), (10821, 20061)]