189908075

素因数分解:

$5^2\times 7^2\times {\mathrm{155027}}^1$

素因数の和:155051

約数の個数: 18

約数和(自身を含む): 273934476

約数和(自身を除く): 84026401

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 155027, 775135, 1085189, 3875675, 5425945, 7596323, 27129725, 37981615, 189908075]

約数ペア:

[(1, 189908075), (5, 37981615), (7, 27129725), (25, 7596323), (35, 5425945), (49, 3875675), (175, 1085189), (245, 775135), (1225, 155027)]