1247895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2521}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 2360592

約数和(自身を除く): 1112697

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 2521, 7563, 12605, 22689, 27731, 37815, 83193, 113445, 138655, 249579, 415965, 1247895]

約数ペア:

[(1, 1247895), (3, 415965), (5, 249579), (9, 138655), (11, 113445), (15, 83193), (33, 37815), (45, 27731), (55, 22689), (99, 12605), (165, 7563), (495, 2521)]