12972785

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21803}}^1$

素因数の和:21832

約数の個数: 16

約数和(自身を含む): 18838656

約数和(自身を除く): 5865871

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 21803, 109015, 152621, 370651, 763105, 1853255, 2594557, 12972785]

約数ペア:

[(1, 12972785), (5, 2594557), (7, 1853255), (17, 763105), (35, 370651), (85, 152621), (119, 109015), (595, 21803)]