81664884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{324067}}^1$

素因数の和:324084

約数の個数: 36

約数和(自身を含む): 235921504

約数和(自身を除く): 154256620

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 324067, 648134, 972201, 1296268, 1944402, 2268469, 2916603, 3888804, 4536938, 5833206, 6805407, 9073876, 11666412, 13610814, 20416221, 27221628, 40832442, 81664884]

約数ペア:

[(1, 81664884), (2, 40832442), (3, 27221628), (4, 20416221), (6, 13610814), (7, 11666412), (9, 9073876), (12, 6805407), (14, 5833206), (18, 4536938), (21, 3888804), (28, 2916603), (36, 2268469), (42, 1944402), (63, 1296268), (84, 972201), (126, 648134), (252, 324067)]