81388791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11579}}^1$

素因数の和:11667

約数の個数: 24

約数和(自身を含む): 130066560

約数和(自身を除く): 48677769

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 11579, 34737, 104211, 127369, 382107, 822109, 1146321, 2466327, 7398981, 9043199, 27129597, 81388791]

約数ペア:

[(1, 81388791), (3, 27129597), (9, 9043199), (11, 7398981), (33, 2466327), (71, 1146321), (99, 822109), (213, 382107), (639, 127369), (781, 104211), (2343, 34737), (7029, 11579)]