27890125

素因数分解:

$5^3\times {\mathrm{347}}^1\times {\mathrm{643}}^1$

素因数の和:1005

約数の個数: 16

約数和(自身を含む): 34961472

約数和(自身を除く): 7071347

約数列:

[1, 5, 25, 125, 347, 643, 1735, 3215, 8675, 16075, 43375, 80375, 223121, 1115605, 5578025, 27890125]

約数ペア:

[(1, 27890125), (5, 5578025), (25, 1115605), (125, 223121), (347, 80375), (643, 43375), (1735, 16075), (3215, 8675)]