81564084

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{35963}}^1$

素因数の和:35986

約数の個数: 60

約数和(自身を含む): 243692064

約数和(自身を除く): 162127980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 35963, 71926, 107889, 143852, 215778, 251741, 323667, 431556, 503482, 647334, 755223, 971001, 1006964, 1294668, 1510446, 1942002, 2265669, 2913003, 3020892, 3884004, 4531338, 5826006, 6797007, 9062676, 11652012, 13594014, 20391021, 27188028, 40782042, 81564084]

約数ペア:

[(1, 81564084), (2, 40782042), (3, 27188028), (4, 20391021), (6, 13594014), (7, 11652012), (9, 9062676), (12, 6797007), (14, 5826006), (18, 4531338), (21, 3884004), (27, 3020892), (28, 2913003), (36, 2265669), (42, 1942002), (54, 1510446), (63, 1294668), (81, 1006964), (84, 971001), (108, 755223), (126, 647334), (162, 503482), (189, 431556), (252, 323667), (324, 251741), (378, 215778), (567, 143852), (756, 107889), (1134, 71926), (2268, 35963)]