20555613

素因数分解:

$3^8\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:278

約数の個数: 36

約数和(自身を含む): 33341308

約数和(自身を除く): 12785695

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 241, 243, 351, 723, 729, 1053, 2169, 2187, 3133, 3159, 6507, 6561, 9399, 9477, 19521, 28197, 28431, 58563, 84591, 85293, 175689, 253773, 527067, 761319, 1581201, 2283957, 6851871, 20555613]

約数ペア:

[(1, 20555613), (3, 6851871), (9, 2283957), (13, 1581201), (27, 761319), (39, 527067), (81, 253773), (117, 175689), (241, 85293), (243, 84591), (351, 58563), (723, 28431), (729, 28197), (1053, 19521), (2169, 9477), (2187, 9399), (3133, 6561), (3159, 6507)]