12071521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{743}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 15141888

約数和(自身を除く): 3070367

約数列:

[1, 7, 11, 77, 211, 743, 1477, 2321, 5201, 8173, 16247, 57211, 156773, 1097411, 1724503, 12071521]

約数ペア:

[(1, 12071521), (7, 1724503), (11, 1097411), (77, 156773), (211, 57211), (743, 16247), (1477, 8173), (2321, 5201)]