256771359

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{9419}}^1$

素因数の和:9671

約数の個数: 24

約数和(自身を含む): 401178960

約数和(自身を除く): 144407601

約数列:

[1, 3, 9, 13, 39, 117, 233, 699, 2097, 3029, 9087, 9419, 27261, 28257, 84771, 122447, 367341, 1102023, 2194627, 6583881, 19751643, 28530151, 85590453, 256771359]

約数ペア:

[(1, 256771359), (3, 85590453), (9, 28530151), (13, 19751643), (39, 6583881), (117, 2194627), (233, 1102023), (699, 367341), (2097, 122447), (3029, 84771), (9087, 28257), (9419, 27261)]