18273087

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 31257600

約数和(自身を除く): 12984513

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 887, 981, 2289, 2661, 2943, 6209, 6867, 7983, 18627, 20601, 23949, 55881, 96683, 167643, 290049, 676781, 870147, 2030343, 2610441, 6091029, 18273087]

約数ペア:

[(1, 18273087), (3, 6091029), (7, 2610441), (9, 2030343), (21, 870147), (27, 676781), (63, 290049), (109, 167643), (189, 96683), (327, 55881), (763, 23949), (887, 20601), (981, 18627), (2289, 7983), (2661, 6867), (2943, 6209)]