15640317

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7523}}^1$

素因数の和:7550

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 13251843

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 7523, 22569, 52661, 67707, 82753, 157983, 203121, 248259, 473949, 579271, 744777, 1421847, 1737813, 2234331, 5213439, 15640317]

約数ペア:

[(1, 15640317), (3, 5213439), (7, 2234331), (9, 1737813), (11, 1421847), (21, 744777), (27, 579271), (33, 473949), (63, 248259), (77, 203121), (99, 157983), (189, 82753), (231, 67707), (297, 52661), (693, 22569), (2079, 7523)]