205688007

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{105319}}^1$

素因数の和:105363

約数の個数: 24

約数和(自身を含む): 350504960

約数和(自身を除く): 144816953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 105319, 315957, 737233, 947871, 2211699, 3264889, 6635097, 9794667, 22854223, 29384001, 68562669, 205688007]

約数ペア:

[(1, 205688007), (3, 68562669), (7, 29384001), (9, 22854223), (21, 9794667), (31, 6635097), (63, 3264889), (93, 2211699), (217, 947871), (279, 737233), (651, 315957), (1953, 105319)]