81609147

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{73721}}^1$

素因数の和:73771

約数の個数: 16

約数和(自身を含む): 123852960

約数和(自身を除く): 42243813

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 73721, 221163, 663489, 1990467, 3022561, 9067683, 27203049, 81609147]

約数ペア:

[(1, 81609147), (3, 27203049), (9, 9067683), (27, 3022561), (41, 1990467), (123, 663489), (369, 221163), (1107, 73721)]