127538131

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{153107}}^1$

素因数の和:153138

約数の個数: 12

約数和(自身を含む): 157088808

約数和(自身を除く): 29550677

約数列:

[1, 7, 17, 49, 119, 833, 153107, 1071749, 2602819, 7502243, 18219733, 127538131]

約数ペア:

[(1, 127538131), (7, 18219733), (17, 7502243), (49, 2602819), (119, 1071749), (833, 153107)]