870258123

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{321247}}^1$

素因数の和:321303

約数の個数: 24

約数和(自身を含む): 1470030848

約数和(自身を除く): 599772725

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 321247, 963741, 2248729, 2891223, 6746187, 13813621, 20238561, 41440863, 96695347, 124322589, 290086041, 870258123]

約数ペア:

[(1, 870258123), (3, 290086041), (7, 124322589), (9, 96695347), (21, 41440863), (43, 20238561), (63, 13813621), (129, 6746187), (301, 2891223), (387, 2248729), (903, 963741), (2709, 321247)]