5540805

素因数分解:

$3^4\times 5^1\times {\mathrm{13681}}^1$

素因数の和:13698

約数の個数: 20

約数和(自身を含む): 9933132

約数和(自身を除く): 4392327

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 13681, 41043, 68405, 123129, 205215, 369387, 615645, 1108161, 1846935, 5540805]

約数ペア:

[(1, 5540805), (3, 1846935), (5, 1108161), (9, 615645), (15, 369387), (27, 205215), (45, 123129), (81, 68405), (135, 41043), (405, 13681)]