39879231

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^2\times {\mathrm{179}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 61706880

約数和(自身を除く): 21827649

約数列:

[1, 3, 7, 21, 103, 179, 309, 537, 721, 1253, 2163, 3759, 10609, 18437, 31827, 55311, 74263, 129059, 222789, 387177, 1899011, 5697033, 13293077, 39879231]

約数ペア:

[(1, 39879231), (3, 13293077), (7, 5697033), (21, 1899011), (103, 387177), (179, 222789), (309, 129059), (537, 74263), (721, 55311), (1253, 31827), (2163, 18437), (3759, 10609)]