287240559

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{7253}}^1$

素因数の和:7606

約数の個数: 16

約数和(自身を含む): 393224832

約数和(自身を除く): 105984273

約数列:

[1, 3, 43, 129, 307, 921, 7253, 13201, 21759, 39603, 311879, 935637, 2226671, 6680013, 95746853, 287240559]

約数ペア:

[(1, 287240559), (3, 95746853), (43, 6680013), (129, 2226671), (307, 935637), (921, 311879), (7253, 39603), (13201, 21759)]