81166671

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{69911}}^1$

素因数の和:69963

約数の個数: 16

約数和(自身を含む): 123045120

約数和(自身を除く): 41878449

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 69911, 209733, 629199, 1887597, 3006173, 9018519, 27055557, 81166671]

約数ペア:

[(1, 81166671), (3, 27055557), (9, 9018519), (27, 3006173), (43, 1887597), (129, 629199), (387, 209733), (1161, 69911)]