1391640981

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{68917}}^1$

素因数の和:69100

約数の個数: 16

約数和(自身を含む): 1905444864

約数和(自身を除く): 513803883

約数列:

[1, 3, 53, 127, 159, 381, 6731, 20193, 68917, 206751, 3652601, 8752459, 10957803, 26257377, 463880327, 1391640981]

約数ペア:

[(1, 1391640981), (3, 463880327), (53, 26257377), (127, 10957803), (159, 8752459), (381, 3652601), (6731, 206751), (20193, 68917)]