90906981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 135168000

約数和(自身を除く): 44261019

約数列:

[1, 3, 11, 33, 109, 127, 199, 327, 381, 597, 1199, 1397, 2189, 3597, 4191, 6567, 13843, 21691, 25273, 41529, 65073, 75819, 152273, 238601, 278003, 456819, 715803, 834009, 2754757, 8264271, 30302327, 90906981]

約数ペア:

[(1, 90906981), (3, 30302327), (11, 8264271), (33, 2754757), (109, 834009), (127, 715803), (199, 456819), (327, 278003), (381, 238601), (597, 152273), (1199, 75819), (1397, 65073), (2189, 41529), (3597, 25273), (4191, 21691), (6567, 13843)]