47211717

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{21011}}^1$

素因数の和:21128

約数の個数: 16

約数和(自身を含む): 72617472

約数和(自身を除く): 25405755

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 21011, 63033, 147077, 441231, 2248177, 6744531, 15737239, 47211717]

約数ペア:

[(1, 47211717), (3, 15737239), (7, 6744531), (21, 2248177), (107, 441231), (321, 147077), (749, 63033), (2247, 21011)]