2149455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1861}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 4290048

約数和(自身を除く): 2140593

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 1861, 5583, 9305, 13027, 20471, 27915, 39081, 61413, 65135, 102355, 143297, 195405, 307065, 429891, 716485, 2149455]

約数ペア:

[(1, 2149455), (3, 716485), (5, 429891), (7, 307065), (11, 195405), (15, 143297), (21, 102355), (33, 65135), (35, 61413), (55, 39081), (77, 27915), (105, 20471), (165, 13027), (231, 9305), (385, 5583), (1155, 1861)]