28868493

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 39191040

約数和(自身を除く): 10322547

約数列:

[1, 3, 107, 139, 321, 417, 647, 1941, 14873, 44619, 69229, 89933, 207687, 269799, 9622831, 28868493]

約数ペア:

[(1, 28868493), (3, 9622831), (107, 269799), (139, 207687), (321, 89933), (417, 69229), (647, 44619), (1941, 14873)]