17966771991

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6955777}}^1$

素因数の和:6955831

約数の個数: 24

約数和(自身を含む): 30382838304

約数和(自身を除く): 12416066313

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 6955777, 20867331, 48690439, 62601993, 146071317, 285186857, 438213951, 855560571, 1996307999, 2566681713, 5988923997, 17966771991]

約数ペア:

[(1, 17966771991), (3, 5988923997), (7, 2566681713), (9, 1996307999), (21, 855560571), (41, 438213951), (63, 285186857), (123, 146071317), (287, 62601993), (369, 48690439), (861, 20867331), (2583, 6955777)]