15706985721

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:979

約数の個数: 96

約数和(自身を含む): 26291865600

約数和(自身を除く): 10584879879

約数列:

[1, 3, 7, 19, 21, 49, 57, 71, 103, 133, 147, 213, 309, 399, 497, 721, 769, 931, 1349, 1491, 1957, 2163, 2307, 2793, 3479, 4047, 5047, 5383, 5871, 7313, 9443, 10437, 13699, 14611, 15141, 16149, 21939, 28329, 37681, 41097, 43833, 51191, 54599, 66101, 79207, 95893, 102277, 113043, 138947, 153573, 163797, 198303, 237621, 287679, 306831, 358337, 382193, 416841, 554449, 715939, 972629, 1037381, 1075011, 1146579, 1504933, 1663347, 2147817, 2675351, 2917887, 3112143, 3881143, 4514799, 5623697, 6808403, 7261667, 8026053, 10534531, 11643429, 16871091, 20425209, 21785001, 31603593, 39365879, 50831669, 73741717, 106850243, 118097637, 152495007, 221225151, 275561153, 320550729, 747951701, 826683459, 2243855103, 5235661907, 15706985721]

約数ペア:

[(1, 15706985721), (3, 5235661907), (7, 2243855103), (19, 826683459), (21, 747951701), (49, 320550729), (57, 275561153), (71, 221225151), (103, 152495007), (133, 118097637), (147, 106850243), (213, 73741717), (309, 50831669), (399, 39365879), (497, 31603593), (721, 21785001), (769, 20425209), (931, 16871091), (1349, 11643429), (1491, 10534531), (1957, 8026053), (2163, 7261667), (2307, 6808403), (2793, 5623697), (3479, 4514799), (4047, 3881143), (5047, 3112143), (5383, 2917887), (5871, 2675351), (7313, 2147817), (9443, 1663347), (10437, 1504933), (13699, 1146579), (14611, 1075011), (15141, 1037381), (16149, 972629), (21939, 715939), (28329, 554449), (37681, 416841), (41097, 382193), (43833, 358337), (51191, 306831), (54599, 287679), (66101, 237621), (79207, 198303), (95893, 163797), (102277, 153573), (113043, 138947)]