138609875

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{10979}}^1$

素因数の和:11095

約数の個数: 16

約数和(自身を含む): 174713760

約数和(自身を除く): 36103885

約数列:

[1, 5, 25, 101, 125, 505, 2525, 10979, 12625, 54895, 274475, 1108879, 1372375, 5544395, 27721975, 138609875]

約数ペア:

[(1, 138609875), (5, 27721975), (25, 5544395), (101, 1372375), (125, 1108879), (505, 274475), (2525, 54895), (10979, 12625)]