28657539

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1861}}^1$

素因数の和:1955

約数の個数: 24

約数和(自身を含む): 43570800

約数和(自身を除く): 14913261

約数列:

[1, 3, 9, 29, 59, 87, 177, 261, 531, 1711, 1861, 5133, 5583, 15399, 16749, 53969, 109799, 161907, 329397, 485721, 988191, 3184171, 9552513, 28657539]

約数ペア:

[(1, 28657539), (3, 9552513), (9, 3184171), (29, 988191), (59, 485721), (87, 329397), (177, 161907), (261, 109799), (531, 53969), (1711, 16749), (1861, 15399), (5133, 5583)]