55210401

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{4481}}^1$

素因数の和:4561

約数の個数: 18

約数和(自身を含む): 81980262

約数和(自身を除く): 26769861

約数列:

[1, 3, 9, 37, 111, 333, 1369, 4107, 4481, 12321, 13443, 40329, 165797, 497391, 1492173, 6134489, 18403467, 55210401]

約数ペア:

[(1, 55210401), (3, 18403467), (9, 6134489), (37, 1492173), (111, 497391), (333, 165797), (1369, 40329), (4107, 13443), (4481, 12321)]