331348353

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{830447}}^1$

素因数の和:830476

約数の個数: 16

約数和(自身を含む): 531486720

約数和(自身を除く): 200138367

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 830447, 2491341, 5813129, 15778493, 17439387, 47335479, 110449451, 331348353]

約数ペア:

[(1, 331348353), (3, 110449451), (7, 47335479), (19, 17439387), (21, 15778493), (57, 5813129), (133, 2491341), (399, 830447)]