81801291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4057}}^1$

素因数の和:4131

約数の個数: 32

約数和(自身を含む): 130894848

約数和(自身を除く): 49093557

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 1551, 1833, 4057, 6721, 12171, 20163, 44627, 52741, 133881, 158223, 190679, 572037, 580151, 1740453, 2097469, 2478827, 6292407, 7436481, 27267097, 81801291]

約数ペア:

[(1, 81801291), (3, 27267097), (11, 7436481), (13, 6292407), (33, 2478827), (39, 2097469), (47, 1740453), (141, 580151), (143, 572037), (429, 190679), (517, 158223), (611, 133881), (1551, 52741), (1833, 44627), (4057, 20163), (6721, 12171)]