81881541

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{56509}}^1$

素因数の和:56545

約数の個数: 24

約数和(自身を含む): 141048960

約数和(自身を除く): 59167419

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 56509, 169527, 395563, 508581, 1186689, 1299707, 3560067, 3899121, 9097949, 11697363, 27293847, 81881541]

約数ペア:

[(1, 81881541), (3, 27293847), (7, 11697363), (9, 9097949), (21, 3899121), (23, 3560067), (63, 1299707), (69, 1186689), (161, 508581), (207, 395563), (483, 169527), (1449, 56509)]