18540441

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 28734080

約数和(自身を除く): 10193639

約数列:

[1, 3, 9, 27, 37, 67, 111, 201, 277, 333, 603, 831, 999, 1809, 2479, 2493, 7437, 7479, 10249, 18559, 22311, 30747, 55677, 66933, 92241, 167031, 276723, 501093, 686683, 2060049, 6180147, 18540441]

約数ペア:

[(1, 18540441), (3, 6180147), (9, 2060049), (27, 686683), (37, 501093), (67, 276723), (111, 167031), (201, 92241), (277, 66933), (333, 55677), (603, 30747), (831, 22311), (999, 18559), (1809, 10249), (2479, 7479), (2493, 7437)]