180978879

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 258552000

約数和(自身を除く): 77573121

約数列:

[1, 3, 29, 41, 87, 113, 123, 339, 449, 1189, 1347, 3277, 3567, 4633, 9831, 13021, 13899, 18409, 39063, 50737, 55227, 134357, 152211, 403071, 533861, 1471373, 1601583, 2080217, 4414119, 6240651, 60326293, 180978879]

約数ペア:

[(1, 180978879), (3, 60326293), (29, 6240651), (41, 4414119), (87, 2080217), (113, 1601583), (123, 1471373), (339, 533861), (449, 403071), (1189, 152211), (1347, 134357), (3277, 55227), (3567, 50737), (4633, 39063), (9831, 18409), (13021, 13899)]