13891983

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 22909440

約数和(自身を除く): 9017457

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 941, 2109, 2823, 4921, 6587, 14763, 17879, 19761, 34817, 53637, 104451, 125153, 243719, 375459, 661523, 731157, 1984569, 4630661, 13891983]

約数ペア:

[(1, 13891983), (3, 4630661), (7, 1984569), (19, 731157), (21, 661523), (37, 375459), (57, 243719), (111, 125153), (133, 104451), (259, 53637), (399, 34817), (703, 19761), (777, 17879), (941, 14763), (2109, 6587), (2823, 4921)]