291245337

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{455783}}^1$

素因数の和:455860

約数の個数: 12

約数和(自身を含む): 426613824

約数和(自身を除く): 135368487

約数列:

[1, 3, 9, 71, 213, 639, 455783, 1367349, 4102047, 32360593, 97081779, 291245337]

約数ペア:

[(1, 291245337), (3, 97081779), (9, 32360593), (71, 4102047), (213, 1367349), (639, 455783)]