217436879

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 246390480

約数和(自身を除く): 28953601

約数列:

[1, 11, 61, 89, 121, 331, 671, 979, 3641, 5429, 7381, 10769, 20191, 29459, 40051, 59719, 222101, 324049, 656909, 1796999, 2443111, 3564539, 19766989, 217436879]

約数ペア:

[(1, 217436879), (11, 19766989), (61, 3564539), (89, 2443111), (121, 1796999), (331, 656909), (671, 324049), (979, 222101), (3641, 59719), (5429, 40051), (7381, 29459), (10769, 20191)]