207949131

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{25033}}^1$

素因数の和:25123

約数の個数: 24

約数和(自身を含む): 328045536

約数和(自身を除く): 120096405

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 25033, 75099, 225297, 325429, 976287, 1777343, 2928861, 5332029, 15996087, 23105459, 69316377, 207949131]

約数ペア:

[(1, 207949131), (3, 69316377), (9, 23105459), (13, 15996087), (39, 5332029), (71, 2928861), (117, 1777343), (213, 976287), (639, 325429), (923, 225297), (2769, 75099), (8307, 25033)]