211316469

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{15797}}^1$

素因数の和:15834

約数の個数: 32

約数和(自身を含む): 353875200

約数和(自身を除く): 142558731

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 13377, 15797, 47391, 110579, 205361, 331737, 616083, 774053, 1437527, 2322159, 4312581, 5418371, 10062689, 16255113, 30188067, 70438823, 211316469]

約数ペア:

[(1, 211316469), (3, 70438823), (7, 30188067), (13, 16255113), (21, 10062689), (39, 5418371), (49, 4312581), (91, 2322159), (147, 1437527), (273, 774053), (343, 616083), (637, 331737), (1029, 205361), (1911, 110579), (4459, 47391), (13377, 15797)]