81741987

素因数分解:

$3^3\times {\mathrm{41}}^2\times {\mathrm{1801}}^1$

素因数の和:1892

約数の個数: 24

約数和(自身を含む): 124193840

約数和(自身を除く): 42451853

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 1681, 1801, 5043, 5403, 15129, 16209, 45387, 48627, 73841, 221523, 664569, 1993707, 3027481, 9082443, 27247329, 81741987]

約数ペア:

[(1, 81741987), (3, 27247329), (9, 9082443), (27, 3027481), (41, 1993707), (123, 664569), (369, 221523), (1107, 73841), (1681, 48627), (1801, 45387), (5043, 16209), (5403, 15129)]