86686839

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9739}}^1$

素因数の和:9811

約数の個数: 24

約数和(自身を含む): 133710720

約数和(自身を除く): 47023881

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 9739, 29217, 87651, 223997, 418777, 671991, 1256331, 2015973, 3768993, 9631871, 28895613, 86686839]

約数ペア:

[(1, 86686839), (3, 28895613), (9, 9631871), (23, 3768993), (43, 2015973), (69, 1256331), (129, 671991), (207, 418777), (387, 223997), (989, 87651), (2967, 29217), (8901, 9739)]