51539985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 102960000

約数和(自身を除く): 51420015

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 131, 315, 393, 655, 917, 1179, 1249, 1965, 2751, 3747, 4585, 5895, 6245, 8253, 8743, 11241, 13755, 18735, 26229, 41265, 43715, 56205, 78687, 131145, 163619, 393435, 490857, 818095, 1145333, 1472571, 2454285, 3435999, 5726665, 7362855, 10307997, 17179995, 51539985]

約数ペア:

[(1, 51539985), (3, 17179995), (5, 10307997), (7, 7362855), (9, 5726665), (15, 3435999), (21, 2454285), (35, 1472571), (45, 1145333), (63, 818095), (105, 490857), (131, 393435), (315, 163619), (393, 131145), (655, 78687), (917, 56205), (1179, 43715), (1249, 41265), (1965, 26229), (2751, 18735), (3747, 13755), (4585, 11241), (5895, 8743), (6245, 8253)]