56971257

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{26339}}^1$

素因数の和:26452

約数の個数: 16

約数和(自身を含む): 87659520

約数和(自身を除く): 30688263

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 26339, 79017, 184373, 553119, 2712917, 8138751, 18990419, 56971257]

約数ペア:

[(1, 56971257), (3, 18990419), (7, 8138751), (21, 2712917), (103, 553119), (309, 184373), (721, 79017), (2163, 26339)]