388179945

素因数分解:

$3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7547}}^1$

素因数の和:7691

約数の個数: 40

約数和(自身を含む): 701420544

約数和(自身を除く): 313240599

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 381, 405, 635, 1143, 1905, 3429, 5715, 7547, 10287, 17145, 22641, 37735, 51435, 67923, 113205, 203769, 339615, 611307, 958469, 1018845, 2875407, 3056535, 4792345, 8626221, 14377035, 25878663, 43131105, 77635989, 129393315, 388179945]

約数ペア:

[(1, 388179945), (3, 129393315), (5, 77635989), (9, 43131105), (15, 25878663), (27, 14377035), (45, 8626221), (81, 4792345), (127, 3056535), (135, 2875407), (381, 1018845), (405, 958469), (635, 611307), (1143, 339615), (1905, 203769), (3429, 113205), (5715, 67923), (7547, 51435), (10287, 37735), (17145, 22641)]