551495007

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 1009497600

約数和(自身を除く): 458002593

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 59, 63, 133, 137, 171, 177, 189, 361, 399, 411, 413, 513, 531, 959, 1083, 1121, 1197, 1233, 1239, 1593, 2527, 2603, 2877, 3249, 3363, 3591, 3699, 3717, 7581, 7809, 7847, 8083, 8631, 9747, 10089, 11151, 18221, 21299, 22743, 23427, 23541, 24249, 25893, 30267, 49457, 54663, 56581, 63897, 68229, 70281, 70623, 72747, 148371, 149093, 153577, 163989, 169743, 191691, 211869, 218241, 346199, 445113, 447279, 460731, 491967, 509229, 575073, 1038597, 1075039, 1335339, 1341837, 1382193, 1527687, 2917963, 3115791, 3225117, 4025511, 4146579, 8753889, 9347373, 9675351, 20425741, 26261667, 29026053, 61277223, 78785001, 183831669, 551495007]

約数ペア:

[(1, 551495007), (3, 183831669), (7, 78785001), (9, 61277223), (19, 29026053), (21, 26261667), (27, 20425741), (57, 9675351), (59, 9347373), (63, 8753889), (133, 4146579), (137, 4025511), (171, 3225117), (177, 3115791), (189, 2917963), (361, 1527687), (399, 1382193), (411, 1341837), (413, 1335339), (513, 1075039), (531, 1038597), (959, 575073), (1083, 509229), (1121, 491967), (1197, 460731), (1233, 447279), (1239, 445113), (1593, 346199), (2527, 218241), (2603, 211869), (2877, 191691), (3249, 169743), (3363, 163989), (3591, 153577), (3699, 149093), (3717, 148371), (7581, 72747), (7809, 70623), (7847, 70281), (8083, 68229), (8631, 63897), (9747, 56581), (10089, 54663), (11151, 49457), (18221, 30267), (21299, 25893), (22743, 24249), (23427, 23541)]