201578979

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{839}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 326108160

約数和(自身を除く): 124529181

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 673, 839, 2019, 2517, 4711, 5873, 11441, 14133, 14263, 17619, 34323, 42789, 80087, 99841, 240261, 299523, 564647, 1693941, 3952529, 9598999, 11857587, 28796997, 67192993, 201578979]

約数ペア:

[(1, 201578979), (3, 67192993), (7, 28796997), (17, 11857587), (21, 9598999), (51, 3952529), (119, 1693941), (357, 564647), (673, 299523), (839, 240261), (2019, 99841), (2517, 80087), (4711, 42789), (5873, 34323), (11441, 17619), (14133, 14263)]