28555719

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{743}}^1$

素因数の和:1326

約数の個数: 16

約数和(自身を含む): 39854592

約数和(自身を除く): 11298873

約数列:

[1, 3, 23, 69, 557, 743, 1671, 2229, 12811, 17089, 38433, 51267, 413851, 1241553, 9518573, 28555719]

約数ペア:

[(1, 28555719), (3, 9518573), (23, 1241553), (69, 413851), (557, 51267), (743, 38433), (1671, 17089), (2229, 12811)]