820021719

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 1264606560

約数和(自身を除く): 444584841

約数列:

[1, 3, 11, 29, 33, 61, 87, 121, 183, 319, 363, 671, 957, 1277, 1769, 2013, 3509, 3831, 5307, 7381, 10527, 14047, 19459, 22143, 37033, 42141, 58377, 77897, 111099, 154517, 214049, 233691, 407363, 463551, 642147, 856867, 1222089, 2259013, 2570601, 4480993, 6777039, 9425537, 13442979, 24849143, 28276611, 74547429, 273340573, 820021719]

約数ペア:

[(1, 820021719), (3, 273340573), (11, 74547429), (29, 28276611), (33, 24849143), (61, 13442979), (87, 9425537), (121, 6777039), (183, 4480993), (319, 2570601), (363, 2259013), (671, 1222089), (957, 856867), (1277, 642147), (1769, 463551), (2013, 407363), (3509, 233691), (3831, 214049), (5307, 154517), (7381, 111099), (10527, 77897), (14047, 58377), (19459, 42141), (22143, 37033)]