1210933521

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1579}}^1$

素因数の和:1683

約数の個数: 72

約数和(自身を含む): 2135502720

約数和(自身を除く): 924569199

約数列:

[1, 3, 7, 9, 21, 37, 47, 49, 63, 111, 141, 147, 259, 329, 333, 423, 441, 777, 987, 1579, 1739, 1813, 2303, 2331, 2961, 4737, 5217, 5439, 6909, 11053, 12173, 14211, 15651, 16317, 20727, 33159, 36519, 58423, 74213, 77371, 85211, 99477, 109557, 175269, 222639, 232113, 255633, 408961, 519491, 525807, 667917, 696339, 766899, 1226883, 1558473, 2745881, 2862727, 3636437, 3680649, 4675419, 8237643, 8588181, 10909311, 19221167, 24712929, 25764543, 32727933, 57663501, 134548169, 172990503, 403644507, 1210933521]

約数ペア:

[(1, 1210933521), (3, 403644507), (7, 172990503), (9, 134548169), (21, 57663501), (37, 32727933), (47, 25764543), (49, 24712929), (63, 19221167), (111, 10909311), (141, 8588181), (147, 8237643), (259, 4675419), (329, 3680649), (333, 3636437), (423, 2862727), (441, 2745881), (777, 1558473), (987, 1226883), (1579, 766899), (1739, 696339), (1813, 667917), (2303, 525807), (2331, 519491), (2961, 408961), (4737, 255633), (5217, 232113), (5439, 222639), (6909, 175269), (11053, 109557), (12173, 99477), (14211, 85211), (15651, 77371), (16317, 74213), (20727, 58423), (33159, 36519)]