137989243

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 168537600

約数和(自身を除く): 30548357

約数列:

[1, 7, 37, 49, 83, 131, 259, 343, 581, 917, 1813, 3071, 4067, 4847, 6419, 10873, 12691, 21497, 28469, 33929, 44933, 76111, 150479, 237503, 402301, 532777, 1053353, 1662521, 2816107, 3729439, 19712749, 137989243]

約数ペア:

[(1, 137989243), (7, 19712749), (37, 3729439), (49, 2816107), (83, 1662521), (131, 1053353), (259, 532777), (343, 402301), (581, 237503), (917, 150479), (1813, 76111), (3071, 44933), (4067, 33929), (4847, 28469), (6419, 21497), (10873, 12691)]