81119227

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 100071936

約数和(自身を除く): 18952709

約数列:

[1, 7, 19, 47, 133, 329, 361, 683, 893, 2527, 4781, 6251, 12977, 16967, 32101, 90839, 118769, 224707, 246563, 609919, 1725941, 4269433, 11588461, 81119227]

約数ペア:

[(1, 81119227), (7, 11588461), (19, 4269433), (47, 1725941), (133, 609919), (329, 246563), (361, 224707), (683, 118769), (893, 90839), (2527, 32101), (4781, 16967), (6251, 12977)]