1320291

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 2296320

約数和(自身を除く): 976029

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1103, 1197, 3309, 7721, 9927, 20957, 23163, 62871, 69489, 146699, 188613, 440097, 1320291]

約数ペア:

[(1, 1320291), (3, 440097), (7, 188613), (9, 146699), (19, 69489), (21, 62871), (57, 23163), (63, 20957), (133, 9927), (171, 7721), (399, 3309), (1103, 1197)]