13317591

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 21086208

約数和(自身を除く): 7768617

約数列:

[1, 3, 7, 21, 47, 103, 131, 141, 309, 329, 393, 721, 917, 987, 2163, 2751, 4841, 6157, 13493, 14523, 18471, 33887, 40479, 43099, 94451, 101661, 129297, 283353, 634171, 1902513, 4439197, 13317591]

約数ペア:

[(1, 13317591), (3, 4439197), (7, 1902513), (21, 634171), (47, 283353), (103, 129297), (131, 101661), (141, 94451), (309, 43099), (329, 40479), (393, 33887), (721, 18471), (917, 14523), (987, 13493), (2163, 6157), (2751, 4841)]