199920933

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{67931}}^1$

素因数の和:68049

約数の個数: 16

約数和(自身を含む): 298900800

約数和(自身を除く): 98979867

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 67931, 203793, 611379, 1834137, 7404479, 22213437, 66640311, 199920933]

約数ペア:

[(1, 199920933), (3, 66640311), (9, 22213437), (27, 7404479), (109, 1834137), (327, 611379), (981, 203793), (2943, 67931)]