199399719

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 290525184

約数和(自身を除く): 91125465

約数列:

[1, 3, 23, 31, 69, 73, 93, 219, 713, 1277, 1679, 2139, 2263, 3831, 5037, 6789, 29371, 39587, 52049, 88113, 93221, 118761, 156147, 279663, 910501, 2144083, 2731503, 2889851, 6432249, 8669553, 66466573, 199399719]

約数ペア:

[(1, 199399719), (3, 66466573), (23, 8669553), (31, 6432249), (69, 2889851), (73, 2731503), (93, 2144083), (219, 910501), (713, 279663), (1277, 156147), (1679, 118761), (2139, 93221), (2263, 88113), (3831, 52049), (5037, 39587), (6789, 29371)]