2750863689

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 4708948608

約数和(自身を除く): 1958084919

約数列:

[1, 3, 7, 9, 21, 63, 67, 71, 137, 201, 213, 411, 469, 497, 603, 639, 959, 1233, 1407, 1491, 2877, 4221, 4473, 4489, 4757, 8631, 9179, 9727, 13467, 14271, 27537, 29181, 31423, 33299, 40401, 42813, 64253, 68089, 82611, 87543, 94269, 99897, 192759, 204267, 282807, 299691, 318719, 578277, 612801, 614993, 651709, 956157, 1844979, 1955127, 2231033, 2868471, 4304951, 4561963, 5534937, 5865381, 6693099, 12914853, 13685889, 20079297, 38744559, 41057667, 43664503, 130993509, 305651521, 392980527, 916954563, 2750863689]

約数ペア:

[(1, 2750863689), (3, 916954563), (7, 392980527), (9, 305651521), (21, 130993509), (63, 43664503), (67, 41057667), (71, 38744559), (137, 20079297), (201, 13685889), (213, 12914853), (411, 6693099), (469, 5865381), (497, 5534937), (603, 4561963), (639, 4304951), (959, 2868471), (1233, 2231033), (1407, 1955127), (1491, 1844979), (2877, 956157), (4221, 651709), (4473, 614993), (4489, 612801), (4757, 578277), (8631, 318719), (9179, 299691), (9727, 282807), (13467, 204267), (14271, 192759), (27537, 99897), (29181, 94269), (31423, 87543), (33299, 82611), (40401, 68089), (42813, 64253)]