1290438

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 2995200

約数和(自身を除く): 1704762

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1039, 1242, 2078, 3117, 6234, 9351, 18702, 23897, 28053, 47794, 56106, 71691, 143382, 215073, 430146, 645219, 1290438]

約数ペア:

[(1, 1290438), (2, 645219), (3, 430146), (6, 215073), (9, 143382), (18, 71691), (23, 56106), (27, 47794), (46, 28053), (54, 23897), (69, 18702), (138, 9351), (207, 6234), (414, 3117), (621, 2078), (1039, 1242)]