51994509

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 82780416

約数和(自身を除く): 30785907

約数列:

[1, 3, 7, 21, 37, 61, 111, 183, 259, 427, 777, 1097, 1281, 2257, 3291, 6771, 7679, 15799, 23037, 40589, 47397, 66917, 121767, 200751, 284123, 468419, 852369, 1405257, 2475929, 7427787, 17331503, 51994509]

約数ペア:

[(1, 51994509), (3, 17331503), (7, 7427787), (21, 2475929), (37, 1405257), (61, 852369), (111, 468419), (183, 284123), (259, 200751), (427, 121767), (777, 66917), (1097, 47397), (1281, 40589), (2257, 23037), (3291, 15799), (6771, 7679)]