1320213141

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1747}}^1\times {\mathrm{2153}}^1$

素因数の和:3922

約数の個数: 32

約数和(自身を含む): 2108507520

約数和(自身を除く): 788294379

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1747, 2153, 5241, 6459, 15723, 19377, 22711, 27989, 47169, 58131, 68133, 83967, 204399, 251901, 613197, 755703, 3761291, 11283873, 33851619, 48896783, 101554857, 146690349, 440071047, 1320213141]

約数ペア:

[(1, 1320213141), (3, 440071047), (9, 146690349), (13, 101554857), (27, 48896783), (39, 33851619), (117, 11283873), (351, 3761291), (1747, 755703), (2153, 613197), (5241, 251901), (6459, 204399), (15723, 83967), (19377, 68133), (22711, 58131), (27989, 47169)]