209964909

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 373358592

約数和(自身を除く): 163393683

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 127, 187, 231, 357, 381, 421, 561, 889, 1263, 1309, 1397, 2159, 2667, 2947, 3927, 4191, 4631, 6477, 7157, 8841, 9779, 13893, 15113, 21471, 23749, 29337, 32417, 45339, 50099, 53467, 71247, 78727, 97251, 150297, 160401, 166243, 236181, 374269, 498729, 551089, 588137, 908939, 1122807, 1653267, 1764411, 2726817, 4116959, 6362573, 9998329, 12350877, 19087719, 29994987, 69988303, 209964909]

約数ペア:

[(1, 209964909), (3, 69988303), (7, 29994987), (11, 19087719), (17, 12350877), (21, 9998329), (33, 6362573), (51, 4116959), (77, 2726817), (119, 1764411), (127, 1653267), (187, 1122807), (231, 908939), (357, 588137), (381, 551089), (421, 498729), (561, 374269), (889, 236181), (1263, 166243), (1309, 160401), (1397, 150297), (2159, 97251), (2667, 78727), (2947, 71247), (3927, 53467), (4191, 50099), (4631, 45339), (6477, 32417), (7157, 29337), (8841, 23749), (9779, 21471), (13893, 15113)]