256448367

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{176983}}^1$

素因数の和:177019

約数の個数: 24

約数和(自身を含む): 441752064

約数和(自身を除く): 185303697

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 176983, 530949, 1238881, 1592847, 3716643, 4070609, 11149929, 12211827, 28494263, 36635481, 85482789, 256448367]

約数ペア:

[(1, 256448367), (3, 85482789), (7, 36635481), (9, 28494263), (21, 12211827), (23, 11149929), (63, 4070609), (69, 3716643), (161, 1592847), (207, 1238881), (483, 530949), (1449, 176983)]