27489

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:45

約数の個数: 24

約数和(自身を含む): 49248

約数和(自身を除く): 21759

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 231, 357, 539, 561, 833, 1309, 1617, 2499, 3927, 9163, 27489]

約数ペア:

[(1, 27489), (3, 9163), (7, 3927), (11, 2499), (17, 1617), (21, 1309), (33, 833), (49, 561), (51, 539), (77, 357), (119, 231), (147, 187)]