291889521

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:712

約数の個数: 96

約数和(自身を含む): 567336960

約数和(自身を除く): 275447439

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 49, 63, 77, 93, 99, 147, 189, 217, 231, 279, 297, 341, 441, 539, 647, 651, 693, 837, 1023, 1323, 1519, 1617, 1941, 1953, 2079, 2387, 3069, 4529, 4557, 4851, 5823, 5859, 7117, 7161, 9207, 13587, 13671, 14553, 16709, 17469, 20057, 21351, 21483, 31703, 40761, 41013, 49819, 50127, 60171, 64053, 64449, 95109, 122283, 140399, 149457, 150381, 180513, 192159, 220627, 285327, 348733, 421197, 448371, 451143, 541539, 661881, 855981, 982793, 1046199, 1263591, 1345113, 1544389, 1985643, 2948379, 3138597, 3790773, 4633167, 5956929, 8845137, 9415791, 10810723, 13899501, 26535411, 32432169, 41698503, 97296507, 291889521]

約数ペア:

[(1, 291889521), (3, 97296507), (7, 41698503), (9, 32432169), (11, 26535411), (21, 13899501), (27, 10810723), (31, 9415791), (33, 8845137), (49, 5956929), (63, 4633167), (77, 3790773), (93, 3138597), (99, 2948379), (147, 1985643), (189, 1544389), (217, 1345113), (231, 1263591), (279, 1046199), (297, 982793), (341, 855981), (441, 661881), (539, 541539), (647, 451143), (651, 448371), (693, 421197), (837, 348733), (1023, 285327), (1323, 220627), (1519, 192159), (1617, 180513), (1941, 150381), (1953, 149457), (2079, 140399), (2387, 122283), (3069, 95109), (4529, 64449), (4557, 64053), (4851, 60171), (5823, 50127), (5859, 49819), (7117, 41013), (7161, 40761), (9207, 31703), (13587, 21483), (13671, 21351), (14553, 20057), (16709, 17469)]