81259866

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1361}}^1$

素因数の和:1507

約数の個数: 48

約数和(自身を含む): 183575808

約数和(自身を除く): 102315942

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 107, 186, 214, 279, 321, 558, 642, 963, 1361, 1926, 2722, 3317, 4083, 6634, 8166, 9951, 12249, 19902, 24498, 29853, 42191, 59706, 84382, 126573, 145627, 253146, 291254, 379719, 436881, 759438, 873762, 1310643, 2621286, 4514437, 9028874, 13543311, 27086622, 40629933, 81259866]

約数ペア:

[(1, 81259866), (2, 40629933), (3, 27086622), (6, 13543311), (9, 9028874), (18, 4514437), (31, 2621286), (62, 1310643), (93, 873762), (107, 759438), (186, 436881), (214, 379719), (279, 291254), (321, 253146), (558, 145627), (642, 126573), (963, 84382), (1361, 59706), (1926, 42191), (2722, 29853), (3317, 24498), (4083, 19902), (6634, 12249), (8166, 9951)]