40028079

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7717}}^1$

素因数の和:7759

約数の個数: 32

約数和(自身を含む): 69153280

約数和(自身を除く): 29125201

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 7717, 23151, 54019, 100321, 146623, 162057, 300963, 439869, 702247, 1026361, 1906099, 2106741, 3079083, 5718297, 13342693, 40028079]

約数ペア:

[(1, 40028079), (3, 13342693), (7, 5718297), (13, 3079083), (19, 2106741), (21, 1906099), (39, 1026361), (57, 702247), (91, 439869), (133, 300963), (247, 162057), (273, 146623), (399, 100321), (741, 54019), (1729, 23151), (5187, 7717)]