508780449

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{406699}}^1$

素因数の和:406844

約数の個数: 12

約数和(自身を含む): 740194000

約数和(自身を除く): 231413551

約数列:

[1, 3, 9, 139, 417, 1251, 406699, 1220097, 3660291, 56531161, 169593483, 508780449]

約数ペア:

[(1, 508780449), (3, 169593483), (9, 56531161), (139, 3660291), (417, 1220097), (1251, 406699)]