69439305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20947}}^1$

素因数の和:20985

約数の個数: 32

約数和(自身を含む): 126693504

約数和(自身を除く): 57254199

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 20947, 62841, 104735, 272311, 314205, 356099, 816933, 1068297, 1361555, 1780495, 4084665, 4629287, 5341485, 13887861, 23146435, 69439305]

約数ペア:

[(1, 69439305), (3, 23146435), (5, 13887861), (13, 5341485), (15, 4629287), (17, 4084665), (39, 1780495), (51, 1361555), (65, 1068297), (85, 816933), (195, 356099), (221, 314205), (255, 272311), (663, 104735), (1105, 62841), (3315, 20947)]