208840797

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{191773}}^1$

素因数の和:191801

約数の個数: 18

約数和(自身を含む): 331577246

約数和(自身を除く): 122736449

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 191773, 575319, 1725957, 2109503, 6328509, 18985527, 23204533, 69613599, 208840797]

約数ペア:

[(1, 208840797), (3, 69613599), (9, 23204533), (11, 18985527), (33, 6328509), (99, 2109503), (121, 1725957), (363, 575319), (1089, 191773)]