18144837

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 28344960

約数和(自身を除く): 10200123

約数列:

[1, 3, 9, 27, 37, 41, 111, 123, 333, 369, 443, 999, 1107, 1329, 1517, 3987, 4551, 11961, 13653, 16391, 18163, 40959, 49173, 54489, 147519, 163467, 442557, 490401, 672031, 2016093, 6048279, 18144837]

約数ペア:

[(1, 18144837), (3, 6048279), (9, 2016093), (27, 672031), (37, 490401), (41, 442557), (111, 163467), (123, 147519), (333, 54489), (369, 49173), (443, 40959), (999, 18163), (1107, 16391), (1329, 13653), (1517, 11961), (3987, 4551)]