201121947

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 325044720

約数和(自身を除く): 123922773

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 389, 491, 1053, 1167, 1473, 3501, 4419, 5057, 6383, 10503, 13257, 15171, 19149, 31509, 39771, 45513, 57447, 136539, 172341, 190999, 409617, 517023, 572997, 1718991, 2482987, 5156973, 7448961, 15470919, 22346883, 67040649, 201121947]

約数ペア:

[(1, 201121947), (3, 67040649), (9, 22346883), (13, 15470919), (27, 7448961), (39, 5156973), (81, 2482987), (117, 1718991), (351, 572997), (389, 517023), (491, 409617), (1053, 190999), (1167, 172341), (1473, 136539), (3501, 57447), (4419, 45513), (5057, 39771), (6383, 31509), (10503, 19149), (13257, 15171)]