81063815

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 115754496

約数和(自身を除く): 34690681

約数列:

[1, 5, 7, 35, 43, 61, 215, 301, 305, 427, 883, 1505, 2135, 2623, 4415, 6181, 13115, 18361, 30905, 37969, 53863, 91805, 189845, 265783, 269315, 377041, 1328915, 1885205, 2316109, 11580545, 16212763, 81063815]

約数ペア:

[(1, 81063815), (5, 16212763), (7, 11580545), (35, 2316109), (43, 1885205), (61, 1328915), (215, 377041), (301, 269315), (305, 265783), (427, 189845), (883, 91805), (1505, 53863), (2135, 37969), (2623, 30905), (4415, 18361), (6181, 13115)]