25289943

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 40296960

約数和(自身を除く): 15007017

約数列:

[1, 3, 7, 21, 29, 87, 131, 203, 317, 393, 609, 917, 951, 2219, 2751, 3799, 6657, 9193, 11397, 26593, 27579, 41527, 64351, 79779, 124581, 193053, 290689, 872067, 1204283, 3612849, 8429981, 25289943]

約数ペア:

[(1, 25289943), (3, 8429981), (7, 3612849), (21, 1204283), (29, 872067), (87, 290689), (131, 193053), (203, 124581), (317, 79779), (393, 64351), (609, 41527), (917, 27579), (951, 26593), (2219, 11397), (2751, 9193), (3799, 6657)]