2064753621

素因数分解:

$3^2\times 7^2\times {\mathrm{4681981}}^1$

素因数の和:4682001

約数の個数: 18

約数和(自身を含む): 3469348662

約数和(自身を除く): 1404595041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4681981, 14045943, 32773867, 42137829, 98321601, 229417069, 294964803, 688251207, 2064753621]

約数ペア:

[(1, 2064753621), (3, 688251207), (7, 294964803), (9, 229417069), (21, 98321601), (49, 42137829), (63, 32773867), (147, 14045943), (441, 4681981)]