84816081

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 144967680

約数和(自身を除く): 60151599

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 131, 239, 301, 387, 393, 717, 903, 917, 1179, 1673, 2151, 2709, 2751, 5019, 5633, 8253, 10277, 15057, 16899, 30831, 31309, 39431, 50697, 71939, 92493, 93927, 118293, 215817, 219163, 281781, 354879, 647451, 657489, 1346287, 1972467, 4038861, 9424009, 12116583, 28272027, 84816081]

約数ペア:

[(1, 84816081), (3, 28272027), (7, 12116583), (9, 9424009), (21, 4038861), (43, 1972467), (63, 1346287), (129, 657489), (131, 647451), (239, 354879), (301, 281781), (387, 219163), (393, 215817), (717, 118293), (903, 93927), (917, 92493), (1179, 71939), (1673, 50697), (2151, 39431), (2709, 31309), (2751, 30831), (5019, 16899), (5633, 15057), (8253, 10277)]