64787571

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1913}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 96741216

約数和(自身を除く): 31953645

約数列:

[1, 3, 9, 53, 71, 159, 213, 477, 639, 1913, 3763, 5739, 11289, 17217, 33867, 101389, 135823, 304167, 407469, 912501, 1222407, 7198619, 21595857, 64787571]

約数ペア:

[(1, 64787571), (3, 21595857), (9, 7198619), (53, 1222407), (71, 912501), (159, 407469), (213, 304167), (477, 135823), (639, 101389), (1913, 33867), (3763, 17217), (5739, 11289)]