127078021

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{311}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 153653760

約数和(自身を除く): 26575739

約数列:

[1, 7, 31, 49, 217, 269, 311, 1519, 1883, 2177, 8339, 9641, 13181, 15239, 58373, 67487, 83659, 408611, 472409, 585613, 2593429, 4099291, 18154003, 127078021]

約数ペア:

[(1, 127078021), (7, 18154003), (31, 4099291), (49, 2593429), (217, 585613), (269, 472409), (311, 408611), (1519, 83659), (1883, 67487), (2177, 58373), (8339, 15239), (9641, 13181)]