191017791

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1787}}^1$

素因数の和:1940

約数の個数: 32

約数和(自身を含む): 293518080

約数和(自身を除く): 102500289

約数列:

[1, 3, 9, 27, 37, 107, 111, 321, 333, 963, 999, 1787, 2889, 3959, 5361, 11877, 16083, 35631, 48249, 66119, 106893, 191209, 198357, 573627, 595071, 1720881, 1785213, 5162643, 7074733, 21224199, 63672597, 191017791]

約数ペア:

[(1, 191017791), (3, 63672597), (9, 21224199), (27, 7074733), (37, 5162643), (107, 1785213), (111, 1720881), (321, 595071), (333, 573627), (963, 198357), (999, 191209), (1787, 106893), (2889, 66119), (3959, 48249), (5361, 35631), (11877, 16083)]