231576849

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 393389568

約数和(自身を除く): 161812719

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 197, 329, 397, 423, 591, 987, 1191, 1379, 1773, 2779, 2961, 3573, 4137, 8337, 9259, 12411, 18659, 25011, 27777, 55977, 64813, 78209, 83331, 130613, 167931, 194439, 234627, 391839, 547463, 583317, 703881, 1175517, 1642389, 3675823, 4927167, 11027469, 25730761, 33082407, 77192283, 231576849]

約数ペア:

[(1, 231576849), (3, 77192283), (7, 33082407), (9, 25730761), (21, 11027469), (47, 4927167), (63, 3675823), (141, 1642389), (197, 1175517), (329, 703881), (397, 583317), (423, 547463), (591, 391839), (987, 234627), (1191, 194439), (1379, 167931), (1773, 130613), (2779, 83331), (2961, 78209), (3573, 64813), (4137, 55977), (8337, 27777), (9259, 25011), (12411, 18659)]