127490399

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^2\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 18

約数和(自身を含む): 138476736

約数和(自身を除く): 10986337

約数列:

[1, 19, 43, 191, 361, 817, 1849, 3629, 8213, 15523, 35131, 68951, 156047, 353159, 667489, 2964893, 6710021, 127490399]

約数ペア:

[(1, 127490399), (19, 6710021), (43, 2964893), (191, 667489), (361, 353159), (817, 156047), (1849, 68951), (3629, 35131), (8213, 15523)]