39945437

素因数分解:

$7^4\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 20

約数和(自身を含む): 47325696

約数和(自身を除く): 7380259

約数列:

[1, 7, 49, 127, 131, 343, 889, 917, 2401, 6223, 6419, 16637, 43561, 44933, 116459, 304927, 314531, 815213, 5706491, 39945437]

約数ペア:

[(1, 39945437), (7, 5706491), (49, 815213), (127, 314531), (131, 304927), (343, 116459), (889, 44933), (917, 43561), (2401, 16637), (6223, 6419)]