128230791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 195444480

約数和(自身を除く): 67213689

約数列:

[1, 3, 13, 19, 39, 57, 131, 247, 393, 741, 1321, 1703, 2489, 3963, 5109, 7467, 17173, 25099, 32357, 51519, 75297, 97071, 173051, 326287, 519153, 978861, 2249663, 3287969, 6748989, 9863907, 42743597, 128230791]

約数ペア:

[(1, 128230791), (3, 42743597), (13, 9863907), (19, 6748989), (39, 3287969), (57, 2249663), (131, 978861), (247, 519153), (393, 326287), (741, 173051), (1321, 97071), (1703, 75297), (2489, 51519), (3963, 32357), (5109, 25099), (7467, 17173)]