291258387

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{43207}}^1$

素因数の和:43327

約数の個数: 24

約数和(自身を含む): 485312256

約数和(自身を除く): 194053869

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 43207, 129621, 302449, 388863, 907347, 2722041, 4623149, 13869447, 32362043, 41608341, 97086129, 291258387]

約数ペア:

[(1, 291258387), (3, 97086129), (7, 41608341), (9, 32362043), (21, 13869447), (63, 4623149), (107, 2722041), (321, 907347), (749, 388863), (963, 302449), (2247, 129621), (6741, 43207)]