26330421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 39529728

約数和(自身を除く): 13199307

約数列:

[1, 3, 13, 37, 39, 71, 111, 213, 257, 481, 771, 923, 1443, 2627, 2769, 3341, 7881, 9509, 10023, 18247, 28527, 34151, 54741, 102453, 123617, 237211, 370851, 675139, 711633, 2025417, 8776807, 26330421]

約数ペア:

[(1, 26330421), (3, 8776807), (13, 2025417), (37, 711633), (39, 675139), (71, 370851), (111, 237211), (213, 123617), (257, 102453), (481, 54741), (771, 34151), (923, 28527), (1443, 18247), (2627, 10023), (2769, 9509), (3341, 7881)]