12340209

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 19319808

約数和(自身を除く): 6979599

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 661, 889, 1983, 2667, 4627, 6223, 13881, 18669, 32389, 83947, 97167, 251841, 587629, 1762887, 4113403, 12340209]

約数ペア:

[(1, 12340209), (3, 4113403), (7, 1762887), (21, 587629), (49, 251841), (127, 97167), (147, 83947), (381, 32389), (661, 18669), (889, 13881), (1983, 6223), (2667, 4627)]