81645837

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13003}}^1$

素因数の和:13049

約数の個数: 32

約数和(自身を含む): 139819008

約数和(自身を除く): 58173171

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 6279, 13003, 39009, 91021, 169039, 273063, 299069, 507117, 897207, 1183273, 2093483, 3549819, 3887897, 6280449, 11663691, 27215279, 81645837]

約数ペア:

[(1, 81645837), (3, 27215279), (7, 11663691), (13, 6280449), (21, 3887897), (23, 3549819), (39, 2093483), (69, 1183273), (91, 897207), (161, 507117), (273, 299069), (299, 273063), (483, 169039), (897, 91021), (2093, 39009), (6279, 13003)]