128534973

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{46723}}^1$

素因数の和:46864

約数の個数: 16

約数和(自身を含む): 197362176

約数和(自身を除く): 68827203

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 46723, 140169, 327061, 981183, 6120713, 18362139, 42844991, 128534973]

約数ペア:

[(1, 128534973), (3, 42844991), (7, 18362139), (21, 6120713), (131, 981183), (393, 327061), (917, 140169), (2751, 46723)]