26781729

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 40776960

約数和(自身を除く): 13995231

約数列:

[1, 3, 13, 23, 39, 69, 73, 219, 299, 409, 897, 949, 1227, 1679, 2847, 5037, 5317, 9407, 15951, 21827, 28221, 29857, 65481, 89571, 122291, 366873, 388141, 686711, 1164423, 2060133, 8927243, 26781729]

約数ペア:

[(1, 26781729), (3, 8927243), (13, 2060133), (23, 1164423), (39, 686711), (69, 388141), (73, 366873), (219, 122291), (299, 89571), (409, 65481), (897, 29857), (949, 28221), (1227, 21827), (1679, 15951), (2847, 9407), (5037, 5317)]