8647221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3911}}^1$

素因数の和:3992

約数の個数: 16

約数和(自身を含む): 12768768

約数和(自身を除く): 4121547

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 3911, 11733, 43021, 129063, 262037, 786111, 2882407, 8647221]

約数ペア:

[(1, 8647221), (3, 2882407), (11, 786111), (33, 262037), (67, 129063), (201, 43021), (737, 11733), (2211, 3911)]