39517989

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 62346240

約数和(自身を除く): 22828251

約数列:

[1, 3, 7, 21, 43, 107, 129, 301, 321, 409, 749, 903, 1227, 2247, 2863, 4601, 8589, 13803, 17587, 32207, 43763, 52761, 96621, 123109, 131289, 306341, 369327, 919023, 1881809, 5645427, 13172663, 39517989]

約数ペア:

[(1, 39517989), (3, 13172663), (7, 5645427), (21, 1881809), (43, 919023), (107, 369327), (129, 306341), (301, 131289), (321, 123109), (409, 96621), (749, 52761), (903, 43763), (1227, 32207), (2247, 17587), (2863, 13803), (4601, 8589)]