1271161755

素因数分解:

$3^4\times 5^1\times {\mathrm{3138671}}^1$

素因数の和:3138688

約数の個数: 20

約数和(自身を含む): 2278675872

約数和(自身を除く): 1007514117

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3138671, 9416013, 15693355, 28248039, 47080065, 84744117, 141240195, 254232351, 423720585, 1271161755]

約数ペア:

[(1, 1271161755), (3, 423720585), (5, 254232351), (9, 141240195), (15, 84744117), (27, 47080065), (45, 28248039), (81, 15693355), (135, 9416013), (405, 3138671)]