127712279

素因数分解:

${\mathrm{17}}^2\times {\mathrm{43}}^2\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 18

約数和(自身を含む): 139476240

約数和(自身を除く): 11763961

約数列:

[1, 17, 43, 239, 289, 731, 1849, 4063, 10277, 12427, 31433, 69071, 174709, 441911, 534361, 2970053, 7512487, 127712279]

約数ペア:

[(1, 127712279), (17, 7512487), (43, 2970053), (239, 534361), (289, 441911), (731, 174709), (1849, 69071), (4063, 31433), (10277, 12427)]