29989791

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2052

約数の個数: 32

約数和(自身を含む): 48984320

約数和(自身を除く): 18994529

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 1987, 5031, 5961, 15093, 17883, 25831, 53649, 77493, 85441, 232479, 256323, 697437, 768969, 1110733, 2306907, 3332199, 9996597, 29989791]

約数ペア:

[(1, 29989791), (3, 9996597), (9, 3332199), (13, 2306907), (27, 1110733), (39, 768969), (43, 697437), (117, 256323), (129, 232479), (351, 85441), (387, 77493), (559, 53649), (1161, 25831), (1677, 17883), (1987, 15093), (5031, 5961)]