31557141

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 59811840

約数和(自身を除く): 28254699

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 43, 63, 77, 99, 129, 189, 231, 297, 301, 353, 387, 473, 693, 903, 1059, 1161, 1419, 2079, 2471, 2709, 3177, 3311, 3883, 4257, 7413, 8127, 9531, 9933, 11649, 12771, 15179, 22239, 27181, 29799, 34947, 45537, 66717, 81543, 89397, 104841, 106253, 136611, 166969, 244629, 318759, 409833, 500907, 733887, 956277, 1168783, 1502721, 2868831, 3506349, 4508163, 10519047, 31557141]

約数ペア:

[(1, 31557141), (3, 10519047), (7, 4508163), (9, 3506349), (11, 2868831), (21, 1502721), (27, 1168783), (33, 956277), (43, 733887), (63, 500907), (77, 409833), (99, 318759), (129, 244629), (189, 166969), (231, 136611), (297, 106253), (301, 104841), (353, 89397), (387, 81543), (473, 66717), (693, 45537), (903, 34947), (1059, 29799), (1161, 27181), (1419, 22239), (2079, 15179), (2471, 12771), (2709, 11649), (3177, 9933), (3311, 9531), (3883, 8127), (4257, 7413)]