1227555

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{433}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 2520672

約数和(自身を除く): 1293117

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 433, 567, 945, 1299, 2165, 2835, 3031, 3897, 6495, 9093, 11691, 15155, 19485, 27279, 35073, 45465, 58455, 81837, 136395, 175365, 245511, 409185, 1227555]

約数ペア:

[(1, 1227555), (3, 409185), (5, 245511), (7, 175365), (9, 136395), (15, 81837), (21, 58455), (27, 45465), (35, 35073), (45, 27279), (63, 19485), (81, 15155), (105, 11691), (135, 9093), (189, 6495), (315, 3897), (405, 3031), (433, 2835), (567, 2165), (945, 1299)]