51511999

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 65836064

約数和(自身を除く): 14324065

約数列:

[1, 7, 11, 61, 77, 121, 427, 671, 847, 997, 4697, 6979, 7381, 10967, 51667, 60817, 76769, 120637, 425719, 668987, 844459, 4682909, 7358857, 51511999]

約数ペア:

[(1, 51511999), (7, 7358857), (11, 4682909), (61, 844459), (77, 668987), (121, 425719), (427, 120637), (671, 76769), (847, 60817), (997, 51667), (4697, 10967), (6979, 7381)]