289761381

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2069}}^1$

素因数の和:2120

約数の個数: 80

約数和(自身を含む): 561052800

約数和(自身を除く): 271291419

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 171, 189, 247, 273, 351, 399, 513, 567, 741, 819, 1053, 1197, 1539, 1729, 2069, 2223, 2457, 3591, 5187, 6207, 6669, 7371, 10773, 14483, 15561, 18621, 20007, 26897, 39311, 43449, 46683, 55863, 80691, 117933, 130347, 140049, 167589, 188279, 242073, 275177, 353799, 391041, 511043, 564837, 726219, 825531, 1061397, 1173123, 1533129, 1694511, 2178657, 2476593, 3184191, 3577301, 4599387, 5083533, 7429779, 10731903, 13798161, 15250599, 22289337, 32195709, 41394483, 96587127, 289761381]

約数ペア:

[(1, 289761381), (3, 96587127), (7, 41394483), (9, 32195709), (13, 22289337), (19, 15250599), (21, 13798161), (27, 10731903), (39, 7429779), (57, 5083533), (63, 4599387), (81, 3577301), (91, 3184191), (117, 2476593), (133, 2178657), (171, 1694511), (189, 1533129), (247, 1173123), (273, 1061397), (351, 825531), (399, 726219), (513, 564837), (567, 511043), (741, 391041), (819, 353799), (1053, 275177), (1197, 242073), (1539, 188279), (1729, 167589), (2069, 140049), (2223, 130347), (2457, 117933), (3591, 80691), (5187, 55863), (6207, 46683), (6669, 43449), (7371, 39311), (10773, 26897), (14483, 20007), (15561, 18621)]