81327425.000000000

素因数分解:

$2^2\times 3^2\times {\mathrm{1021}}^1\times {\mathrm{21419}}^1$

素因数の和:22450

約数の個数: 36

約数和(自身を含む): 1992102840

約数和(自身を除く): 1204826076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1021, 2042, 3063, 4084, 6126, 9189, 12252, 18378, 21419, 36756, 42838, 64257, 85676, 128514, 192771, 257028, 385542, 771084, 21868799, 43737598, 65606397, 87475196, 131212794, 196819191, 262425588, 393638382, 787276764]

約数ペア:

[(1, 787276764), (2, 393638382), (3, 262425588), (4, 196819191), (6, 131212794), (9, 87475196), (12, 65606397), (18, 43737598), (36, 21868799), (1021, 771084), (2042, 385542), (3063, 257028), (4084, 192771), (6126, 128514), (9189, 85676), (12252, 64257), (18378, 42838), (21419, 36756)]