30972193

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2693}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 37241856

約数和(自身を除く): 6269663

約数列:

[1, 7, 31, 53, 217, 371, 1643, 2693, 11501, 18851, 83483, 142729, 584381, 999103, 4424599, 30972193]

約数ペア:

[(1, 30972193), (7, 4424599), (31, 999103), (53, 584381), (217, 142729), (371, 83483), (1643, 18851), (2693, 11501)]