209714967

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 390528000

約数和(自身を除く): 180813033

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 149, 189, 231, 297, 447, 677, 693, 1043, 1341, 1639, 2031, 2079, 3129, 4023, 4739, 4917, 6093, 7447, 9387, 11473, 14217, 14751, 18279, 22341, 28161, 34419, 42651, 44253, 52129, 67023, 100873, 103257, 127953, 156387, 201069, 302619, 309771, 469161, 706111, 907857, 1109603, 1407483, 2118333, 2723571, 3328809, 6354999, 7767221, 9986427, 19064997, 23301663, 29959281, 69904989, 209714967]

約数ペア:

[(1, 209714967), (3, 69904989), (7, 29959281), (9, 23301663), (11, 19064997), (21, 9986427), (27, 7767221), (33, 6354999), (63, 3328809), (77, 2723571), (99, 2118333), (149, 1407483), (189, 1109603), (231, 907857), (297, 706111), (447, 469161), (677, 309771), (693, 302619), (1043, 201069), (1341, 156387), (1639, 127953), (2031, 103257), (2079, 100873), (3129, 67023), (4023, 52129), (4739, 44253), (4917, 42651), (6093, 34419), (7447, 28161), (9387, 22341), (11473, 18279), (14217, 14751)]