81564966

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647341}}^1$

素因数の和:647356

約数の個数: 24

約数和(自身を含む): 201970704

約数和(自身を除く): 120405738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647341, 1294682, 1942023, 3884046, 4531387, 5826069, 9062774, 11652138, 13594161, 27188322, 40782483, 81564966]

約数ペア:

[(1, 81564966), (2, 40782483), (3, 27188322), (6, 13594161), (7, 11652138), (9, 9062774), (14, 5826069), (18, 4531387), (21, 3884046), (42, 1942023), (63, 1294682), (126, 647341)]