2080215

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 3897600

約数和(自身を除く): 1817385

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 811, 855, 2433, 2565, 4055, 7299, 12165, 15409, 21897, 36495, 46227, 77045, 109485, 138681, 231135, 416043, 693405, 2080215]

約数ペア:

[(1, 2080215), (3, 693405), (5, 416043), (9, 231135), (15, 138681), (19, 109485), (27, 77045), (45, 46227), (57, 36495), (95, 21897), (135, 15409), (171, 12165), (285, 7299), (513, 4055), (811, 2565), (855, 2433)]