128009289

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{8287}}^1$

素因数の和:8580

約数の個数: 16

約数和(自身を含む): 180346880

約数和(自身を除く): 52337591

約数列:

[1, 3, 19, 57, 271, 813, 5149, 8287, 15447, 24861, 157453, 472359, 2245777, 6737331, 42669763, 128009289]

約数ペア:

[(1, 128009289), (3, 42669763), (19, 6737331), (57, 2245777), (271, 472359), (813, 157453), (5149, 24861), (8287, 15447)]