1387339009

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{313}}^2$

素因数の和:674

約数の個数: 27

約数和(自身を含む): 1719854217

約数和(自身を除く): 332515208

約数列:

[1, 7, 17, 49, 119, 289, 313, 833, 2023, 2191, 5321, 14161, 15337, 37247, 90457, 97969, 260729, 633199, 685783, 1665473, 4432393, 4800481, 11658311, 28313041, 81608177, 198191287, 1387339009]

約数ペア:

[(1, 1387339009), (7, 198191287), (17, 81608177), (49, 28313041), (119, 11658311), (289, 4800481), (313, 4432393), (833, 1665473), (2023, 685783), (2191, 633199), (5321, 260729), (14161, 97969), (15337, 90457)]