204073911

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{7219}}^1$

素因数の和:7580

約数の個数: 20

約数和(自身を含む): 305767000

約数和(自身を除く): 101693089

約数列:

[1, 3, 9, 27, 81, 349, 1047, 3141, 7219, 9423, 21657, 28269, 64971, 194913, 584739, 2519431, 7558293, 22674879, 68024637, 204073911]

約数ペア:

[(1, 204073911), (3, 68024637), (9, 22674879), (27, 7558293), (81, 2519431), (349, 584739), (1047, 194913), (3141, 64971), (7219, 28269), (9423, 21657)]