22172211

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{9439}}^1$

素因数の和:9480

約数の個数: 20

約数和(自身を含む): 34267200

約数和(自身を除く): 12094989

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 9439, 28317, 84951, 254853, 273731, 764559, 821193, 2463579, 7390737, 22172211]

約数ペア:

[(1, 22172211), (3, 7390737), (9, 2463579), (27, 821193), (29, 764559), (81, 273731), (87, 254853), (261, 84951), (783, 28317), (2349, 9439)]