12771215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 15814656

約数和(自身を除く): 3043441

約数列:

[1, 5, 43, 191, 215, 311, 955, 1555, 8213, 13373, 41065, 59401, 66865, 297005, 2554243, 12771215]

約数ペア:

[(1, 12771215), (5, 2554243), (43, 297005), (191, 66865), (215, 59401), (311, 41065), (955, 13373), (1555, 8213)]