39909121

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{521}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 47305728

約数和(自身を除く): 7396607

約数列:

[1, 7, 31, 217, 353, 521, 2471, 3647, 10943, 16151, 76601, 113057, 183913, 1287391, 5701303, 39909121]

約数ペア:

[(1, 39909121), (7, 5701303), (31, 1287391), (217, 183913), (353, 113057), (521, 76601), (2471, 16151), (3647, 10943)]