81649205841

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4219}}^1\times {\mathrm{24907}}^1$

素因数の和:29173

約数の個数: 32

約数和(自身を含む): 127815900160

約数和(自身を除く): 46166694319

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 4219, 12657, 24907, 29533, 74721, 88599, 156103, 174349, 468309, 523047, 921559, 1092721, 2764677, 3278163, 6450913, 19352739, 105082633, 315247899, 735578431, 2206735293, 3888057421, 11664172263, 27216401947, 81649205841]

約数ペア:

[(1, 81649205841), (3, 27216401947), (7, 11664172263), (21, 3888057421), (37, 2206735293), (111, 735578431), (259, 315247899), (777, 105082633), (4219, 19352739), (12657, 6450913), (24907, 3278163), (29533, 2764677), (74721, 1092721), (88599, 921559), (156103, 523047), (174349, 468309)]