81678777

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{1423}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 117189504

約数和(自身を除く): 35510727

約数列:

[1, 3, 19, 53, 57, 159, 361, 1007, 1083, 1423, 3021, 4269, 19133, 27037, 57399, 75419, 81111, 226257, 513703, 1432961, 1541109, 4298883, 27226259, 81678777]

約数ペア:

[(1, 81678777), (3, 27226259), (19, 4298883), (53, 1541109), (57, 1432961), (159, 513703), (361, 226257), (1007, 81111), (1083, 75419), (1423, 57399), (3021, 27037), (4269, 19133)]