15704807979

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1269691}}^1$

素因数の和:1269751

約数の個数: 32

約数和(自身を含む): 26003292160

約数和(自身を除く): 10298484181

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 12369, 1269691, 3809073, 8887837, 24124129, 26663511, 39360421, 72372387, 118081263, 168868903, 275522947, 506606709, 747847999, 826568841, 2243543997, 5234935993, 15704807979]

約数ペア:

[(1, 15704807979), (3, 5234935993), (7, 2243543997), (19, 826568841), (21, 747847999), (31, 506606709), (57, 275522947), (93, 168868903), (133, 118081263), (217, 72372387), (399, 39360421), (589, 26663511), (651, 24124129), (1767, 8887837), (4123, 3809073), (12369, 1269691)]