287728533

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{13249}}^1$

素因数の和:13401

約数の個数: 24

約数和(自身を含む): 440960000

約数和(自身を除く): 153231467

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 1143, 2413, 7239, 13249, 21717, 39747, 119241, 251731, 755193, 1682623, 2265579, 5047869, 15143607, 31969837, 95909511, 287728533]

約数ペア:

[(1, 287728533), (3, 95909511), (9, 31969837), (19, 15143607), (57, 5047869), (127, 2265579), (171, 1682623), (381, 755193), (1143, 251731), (2413, 119241), (7239, 39747), (13249, 21717)]