2687531

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 3575040

約数和(自身を除く): 887509

約数列:

[1, 7, 11, 19, 77, 121, 133, 167, 209, 847, 1169, 1463, 1837, 2299, 3173, 12859, 16093, 20207, 22211, 34903, 141449, 244321, 383933, 2687531]

約数ペア:

[(1, 2687531), (7, 383933), (11, 244321), (19, 141449), (77, 34903), (121, 22211), (133, 20207), (167, 16093), (209, 12859), (847, 3173), (1169, 2299), (1463, 1837)]