78850989

素因数分解:

$3^4\times 7^1\times {\mathrm{139067}}^1$

素因数の和:139086

約数の個数: 20

約数和(自身を含む): 134617824

約数和(自身を除く): 55766835

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 139067, 417201, 973469, 1251603, 2920407, 3754809, 8761221, 11264427, 26283663, 78850989]

約数ペア:

[(1, 78850989), (3, 26283663), (7, 11264427), (9, 8761221), (21, 3754809), (27, 2920407), (63, 1251603), (81, 973469), (189, 417201), (567, 139067)]