51517539

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{27653}}^1$

素因数の和:27688

約数の個数: 20

約数和(自身を含む): 80307216

約数和(自身を除く): 28789677

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 27653, 82959, 248877, 636019, 746631, 1908057, 2239893, 5724171, 17172513, 51517539]

約数ペア:

[(1, 51517539), (3, 17172513), (9, 5724171), (23, 2239893), (27, 1908057), (69, 746631), (81, 636019), (207, 248877), (621, 82959), (1863, 27653)]