2565321

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 3881472

約数和(自身を除く): 1316151

約数列:

[1, 3, 11, 33, 37, 111, 121, 191, 363, 407, 573, 1221, 2101, 4477, 6303, 7067, 13431, 21201, 23111, 69333, 77737, 233211, 855107, 2565321]

約数ペア:

[(1, 2565321), (3, 855107), (11, 233211), (33, 77737), (37, 69333), (111, 23111), (121, 21201), (191, 13431), (363, 7067), (407, 6303), (573, 4477), (1221, 2101)]