128904237

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{62003}}^1$

素因数の和:62030

約数の個数: 32

約数和(自身を含む): 238095360

約数和(自身を除く): 109191123

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 62003, 186009, 434021, 558027, 682033, 1302063, 1674081, 2046099, 3906189, 4774231, 6138297, 11718567, 14322693, 18414891, 42968079, 128904237]

約数ペア:

[(1, 128904237), (3, 42968079), (7, 18414891), (9, 14322693), (11, 11718567), (21, 6138297), (27, 4774231), (33, 3906189), (63, 2046099), (77, 1674081), (99, 1302063), (189, 682033), (231, 558027), (297, 434021), (693, 186009), (2079, 62003)]