208993605

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{339827}}^1$

素因数の和:339876

約数の個数: 16

約数和(自身を含む): 342546624

約数和(自身を除く): 133553019

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 339827, 1019481, 1699135, 5097405, 13932907, 41798721, 69664535, 208993605]

約数ペア:

[(1, 208993605), (3, 69664535), (5, 41798721), (15, 13932907), (41, 5097405), (123, 1699135), (205, 1019481), (615, 339827)]