27819259

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 33361632

約数和(自身を除く): 5542373

約数列:

[1, 13, 17, 23, 169, 221, 299, 391, 421, 2873, 3887, 5083, 5473, 7157, 9683, 66079, 71149, 93041, 125879, 164611, 1209533, 1636427, 2139943, 27819259]

約数ペア:

[(1, 27819259), (13, 2139943), (17, 1636427), (23, 1209533), (169, 164611), (221, 125879), (299, 93041), (391, 71149), (421, 66079), (2873, 9683), (3887, 7157), (5083, 5473)]