128043321

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{9787}}^1$

素因数の和:9893

約数の個数: 24

約数和(自身を含む): 200849760

約数和(自身を除く): 72806439

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 9787, 13083, 29361, 68509, 205527, 479563, 871043, 1438689, 2613129, 6097301, 18291903, 42681107, 128043321]

約数ペア:

[(1, 128043321), (3, 42681107), (7, 18291903), (21, 6097301), (49, 2613129), (89, 1438689), (147, 871043), (267, 479563), (623, 205527), (1869, 68509), (4361, 29361), (9787, 13083)]