2557703031

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1\times {\mathrm{2237}}^1$

素因数の和:3815

約数の個数: 32

約数和(自身を含む): 3870128640

約数和(自身を除く): 1312425609

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 1543, 2237, 4629, 6711, 20059, 29081, 29317, 42503, 60177, 87243, 87951, 127509, 381121, 552539, 1143363, 1657617, 3451691, 10355073, 44871983, 65582129, 134615949, 196746387, 852567677, 2557703031]

約数ペア:

[(1, 2557703031), (3, 852567677), (13, 196746387), (19, 134615949), (39, 65582129), (57, 44871983), (247, 10355073), (741, 3451691), (1543, 1657617), (2237, 1143363), (4629, 552539), (6711, 381121), (20059, 127509), (29081, 87951), (29317, 87243), (42503, 60177)]