26438559

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20639}}^1$

素因数の和:20710

約数の個数: 16

約数和(自身を含む): 40949760

約数和(自身を除く): 14511201

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 20639, 61917, 144473, 433419, 1258979, 3776937, 8812853, 26438559]

約数ペア:

[(1, 26438559), (3, 8812853), (7, 3776937), (21, 1258979), (61, 433419), (183, 144473), (427, 61917), (1281, 20639)]