27880489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2029}}^1$

素因数の和:2200

約数の個数: 16

約数和(自身を含む): 34558720

約数和(自身を除く): 6678231

約数列:

[1, 7, 13, 91, 151, 1057, 1963, 2029, 13741, 14203, 26377, 184639, 306379, 2144653, 3982927, 27880489]

約数ペア:

[(1, 27880489), (7, 3982927), (13, 2144653), (91, 306379), (151, 184639), (1057, 26377), (1963, 14203), (2029, 13741)]