128210439

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 202118656

約数和(自身を除く): 73908217

約数列:

[1, 3, 7, 21, 37, 111, 157, 259, 471, 777, 1051, 1099, 3153, 3297, 5809, 7357, 17427, 22071, 38887, 40663, 116661, 121989, 165007, 272209, 495021, 816627, 1155049, 3465147, 6105259, 18315777, 42736813, 128210439]

約数ペア:

[(1, 128210439), (3, 42736813), (7, 18315777), (21, 6105259), (37, 3465147), (111, 1155049), (157, 816627), (259, 495021), (471, 272209), (777, 165007), (1051, 121989), (1099, 116661), (3153, 40663), (3297, 38887), (5809, 22071), (7357, 17427)]