15139397

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 19692288

約数和(自身を除く): 4552891

約数列:

[1, 7, 13, 43, 53, 73, 91, 301, 371, 511, 559, 689, 949, 2279, 3139, 3869, 3913, 4823, 6643, 15953, 21973, 27083, 29627, 40807, 50297, 166367, 207389, 285649, 352079, 1164569, 2162771, 15139397]

約数ペア:

[(1, 15139397), (7, 2162771), (13, 1164569), (43, 352079), (53, 285649), (73, 207389), (91, 166367), (301, 50297), (371, 40807), (511, 29627), (559, 27083), (689, 21973), (949, 15953), (2279, 6643), (3139, 4823), (3869, 3913)]