161521803

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{139123}}^1$

素因数の和:139175

約数の個数: 16

約数和(自身を含む): 244858240

約数和(自身を除く): 83336437

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 139123, 417369, 1252107, 3756321, 5982289, 17946867, 53840601, 161521803]

約数ペア:

[(1, 161521803), (3, 53840601), (9, 17946867), (27, 5982289), (43, 3756321), (129, 1252107), (387, 417369), (1161, 139123)]