291681027

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 517529600

約数和(自身を除く): 225848573

約数列:

[1, 3, 9, 11, 19, 27, 33, 37, 57, 99, 111, 121, 127, 171, 209, 297, 333, 363, 381, 407, 513, 627, 703, 999, 1089, 1143, 1221, 1397, 1881, 2109, 2299, 2413, 3267, 3429, 3663, 4191, 4477, 4699, 5643, 6327, 6897, 7239, 7733, 10989, 12573, 13431, 14097, 15367, 18981, 20691, 21717, 23199, 26543, 37719, 40293, 42291, 46101, 51689, 62073, 65151, 69597, 79629, 85063, 89281, 120879, 126873, 138303, 155067, 208791, 238887, 255189, 267843, 291973, 414909, 465201, 568579, 716661, 765567, 803529, 875919, 982091, 1395603, 1705737, 2296701, 2410587, 2627757, 2946273, 5117211, 7883271, 8838819, 10803001, 15351633, 26516457, 32409003, 97227009, 291681027]

約数ペア:

[(1, 291681027), (3, 97227009), (9, 32409003), (11, 26516457), (19, 15351633), (27, 10803001), (33, 8838819), (37, 7883271), (57, 5117211), (99, 2946273), (111, 2627757), (121, 2410587), (127, 2296701), (171, 1705737), (209, 1395603), (297, 982091), (333, 875919), (363, 803529), (381, 765567), (407, 716661), (513, 568579), (627, 465201), (703, 414909), (999, 291973), (1089, 267843), (1143, 255189), (1221, 238887), (1397, 208791), (1881, 155067), (2109, 138303), (2299, 126873), (2413, 120879), (3267, 89281), (3429, 85063), (3663, 79629), (4191, 69597), (4477, 65151), (4699, 62073), (5643, 51689), (6327, 46101), (6897, 42291), (7239, 40293), (7733, 37719), (10989, 26543), (12573, 23199), (13431, 21717), (14097, 20691), (15367, 18981)]