28461927

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42929}}^1$

素因数の和:42962

約数の個数: 16

約数和(自身を含む): 43273440

約数和(自身を除く): 14811513

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 42929, 128787, 558077, 729793, 1674231, 2189379, 9487309, 28461927]

約数ペア:

[(1, 28461927), (3, 9487309), (13, 2189379), (17, 1674231), (39, 729793), (51, 558077), (221, 128787), (663, 42929)]