128656467

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{4349}}^1$

素因数の和:4547

約数の個数: 24

約数和(自身を含む): 196794000

約数和(自身を除く): 68137533

約数列:

[1, 3, 9, 19, 57, 171, 173, 519, 1557, 3287, 4349, 9861, 13047, 29583, 39141, 82631, 247893, 743679, 752377, 2257131, 6771393, 14295163, 42885489, 128656467]

約数ペア:

[(1, 128656467), (3, 42885489), (9, 14295163), (19, 6771393), (57, 2257131), (171, 752377), (173, 743679), (519, 247893), (1557, 82631), (3287, 39141), (4349, 29583), (9861, 13047)]