81273612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22501}}^1$

素因数の和:22558

約数の個数: 48

約数和(自身を含む): 221779712

約数和(自身を除く): 140506100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 22501, 45002, 67503, 90004, 135006, 157507, 270012, 315014, 472521, 630028, 945042, 967543, 1890084, 1935086, 2902629, 3870172, 5805258, 6772801, 11610516, 13545602, 20318403, 27091204, 40636806, 81273612]

約数ペア:

[(1, 81273612), (2, 40636806), (3, 27091204), (4, 20318403), (6, 13545602), (7, 11610516), (12, 6772801), (14, 5805258), (21, 3870172), (28, 2902629), (42, 1935086), (43, 1890084), (84, 967543), (86, 945042), (129, 630028), (172, 472521), (258, 315014), (301, 270012), (516, 157507), (602, 135006), (903, 90004), (1204, 67503), (1806, 45002), (3612, 22501)]