11987121

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{653}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 16637760

約数和(自身を除く): 4650639

約数列:

[1, 3, 29, 87, 211, 633, 653, 1959, 6119, 18357, 18937, 56811, 137783, 413349, 3995707, 11987121]

約数ペア:

[(1, 11987121), (3, 3995707), (29, 413349), (87, 137783), (211, 56811), (633, 18937), (653, 18357), (1959, 6119)]