209664452403

素因数分解:

$3^3\times 7^1\times {\mathrm{1109335727}}^1$

素因数の和:1109335743

約数の個数: 16

約数和(自身を含む): 354987432960

約数和(自身を除く): 145322980557

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1109335727, 3328007181, 7765350089, 9984021543, 23296050267, 29952064629, 69888150801, 209664452403]

約数ペア:

[(1, 209664452403), (3, 69888150801), (7, 29952064629), (9, 23296050267), (21, 9984021543), (27, 7765350089), (63, 3328007181), (189, 1109335727)]