81545814

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647189}}^1$

素因数の和:647204

約数の個数: 24

約数和(自身を含む): 201923280

約数和(自身を除く): 120377466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647189, 1294378, 1941567, 3883134, 4530323, 5824701, 9060646, 11649402, 13590969, 27181938, 40772907, 81545814]

約数ペア:

[(1, 81545814), (2, 40772907), (3, 27181938), (6, 13590969), (7, 11649402), (9, 9060646), (14, 5824701), (18, 4530323), (21, 3883134), (42, 1941567), (63, 1294378), (126, 647189)]