27680397

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 39684960

約数和(自身を除く): 12004563

約数列:

[1, 3, 19, 57, 61, 183, 361, 419, 1083, 1159, 1257, 3477, 7961, 22021, 23883, 25559, 66063, 76677, 151259, 453777, 485621, 1456863, 9226799, 27680397]

約数ペア:

[(1, 27680397), (3, 9226799), (19, 1456863), (57, 485621), (61, 453777), (183, 151259), (361, 76677), (419, 66063), (1083, 25559), (1159, 23883), (1257, 22021), (3477, 7961)]