67720155

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63587}}^1$

素因数の和:63666

約数の個数: 16

約数和(自身を含む): 109880064

約数和(自身を除く): 42159909

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 63587, 190761, 317935, 953805, 4514677, 13544031, 22573385, 67720155]

約数ペア:

[(1, 67720155), (3, 22573385), (5, 13544031), (15, 4514677), (71, 953805), (213, 317935), (355, 190761), (1065, 63587)]