137906209

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 159631360

約数和(自身を除く): 21725151

約数列:

[1, 7, 139, 271, 523, 973, 1897, 3661, 37669, 72697, 141733, 263683, 508879, 992131, 19700887, 137906209]

約数ペア:

[(1, 137906209), (7, 19700887), (139, 992131), (271, 508879), (523, 263683), (973, 141733), (1897, 72697), (3661, 37669)]