54135921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 89879424

約数和(自身を除く): 35743503

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 193, 259, 361, 399, 579, 703, 777, 1083, 1351, 2109, 2527, 3667, 4053, 4921, 7141, 7581, 11001, 13357, 14763, 21423, 25669, 40071, 49987, 69673, 77007, 93499, 135679, 149961, 209019, 280497, 407037, 487711, 949753, 1463133, 2577901, 2849259, 7733703, 18045307, 54135921]

約数ペア:

[(1, 54135921), (3, 18045307), (7, 7733703), (19, 2849259), (21, 2577901), (37, 1463133), (57, 949753), (111, 487711), (133, 407037), (193, 280497), (259, 209019), (361, 149961), (399, 135679), (579, 93499), (703, 77007), (777, 69673), (1083, 49987), (1351, 40071), (2109, 25669), (2527, 21423), (3667, 14763), (4053, 13357), (4921, 11001), (7141, 7581)]