2112705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 4417920

約数和(自身を除く): 2305215

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 353, 399, 665, 855, 1059, 1197, 1765, 1995, 2471, 3177, 5295, 5985, 6707, 7413, 12355, 15885, 20121, 22239, 33535, 37065, 46949, 60363, 100605, 111195, 140847, 234745, 301815, 422541, 704235, 2112705]

約数ペア:

[(1, 2112705), (3, 704235), (5, 422541), (7, 301815), (9, 234745), (15, 140847), (19, 111195), (21, 100605), (35, 60363), (45, 46949), (57, 37065), (63, 33535), (95, 22239), (105, 20121), (133, 15885), (171, 12355), (285, 7413), (315, 6707), (353, 5985), (399, 5295), (665, 3177), (855, 2471), (1059, 1995), (1197, 1765)]