15726321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{967}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 24664640

約数和(自身を除く): 8938319

約数列:

[1, 3, 9, 13, 39, 117, 139, 417, 967, 1251, 1807, 2901, 5421, 8703, 12571, 16263, 37713, 113139, 134413, 403239, 1209717, 1747369, 5242107, 15726321]

約数ペア:

[(1, 15726321), (3, 5242107), (9, 1747369), (13, 1209717), (39, 403239), (117, 134413), (139, 113139), (417, 37713), (967, 16263), (1251, 12571), (1807, 8703), (2901, 5421)]