68390985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9479}}^1$

素因数の和:9537

約数の個数: 32

約数和(自身を含む): 121040640

約数和(自身を除く): 52649655

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 9479, 28437, 47395, 123227, 142185, 350723, 369681, 616135, 1052169, 1753615, 1848405, 4559399, 5260845, 13678197, 22796995, 68390985]

約数ペア:

[(1, 68390985), (3, 22796995), (5, 13678197), (13, 5260845), (15, 4559399), (37, 1848405), (39, 1753615), (65, 1052169), (111, 616135), (185, 369681), (195, 350723), (481, 142185), (555, 123227), (1443, 47395), (2405, 28437), (7215, 9479)]