51721075

素因数分解:

$5^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{877}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 73597472

約数和(自身を除く): 21876397

約数列:

[1, 5, 7, 25, 35, 175, 337, 877, 1685, 2359, 4385, 6139, 8425, 11795, 21925, 30695, 58975, 153475, 295549, 1477745, 2068843, 7388725, 10344215, 51721075]

約数ペア:

[(1, 51721075), (5, 10344215), (7, 7388725), (25, 2068843), (35, 1477745), (175, 295549), (337, 153475), (877, 58975), (1685, 30695), (2359, 21925), (4385, 11795), (6139, 8425)]