28447155

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 54419040

約数和(自身を除く): 25971885

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 101, 165, 303, 495, 505, 569, 909, 1111, 1515, 1707, 2845, 3333, 4545, 5121, 5555, 6259, 8535, 9999, 16665, 18777, 25605, 31295, 49995, 56331, 57469, 93885, 172407, 281655, 287345, 517221, 632159, 862035, 1896477, 2586105, 3160795, 5689431, 9482385, 28447155]

約数ペア:

[(1, 28447155), (3, 9482385), (5, 5689431), (9, 3160795), (11, 2586105), (15, 1896477), (33, 862035), (45, 632159), (55, 517221), (99, 287345), (101, 281655), (165, 172407), (303, 93885), (495, 57469), (505, 56331), (569, 49995), (909, 31295), (1111, 25605), (1515, 18777), (1707, 16665), (2845, 9999), (3333, 8535), (4545, 6259), (5121, 5555)]