81712206

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{40897}}^1$

素因数の和:40945

約数の個数: 32

約数和(自身を含む): 186494880

約数和(自身を除く): 104782674

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 40897, 81794, 122691, 245382, 368073, 736146, 1104219, 1513189, 2208438, 3026378, 4539567, 9079134, 13618701, 27237402, 40856103, 81712206]

約数ペア:

[(1, 81712206), (2, 40856103), (3, 27237402), (6, 13618701), (9, 9079134), (18, 4539567), (27, 3026378), (37, 2208438), (54, 1513189), (74, 1104219), (111, 736146), (222, 368073), (333, 245382), (666, 122691), (999, 81794), (1998, 40897)]