21775527

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{15217}}^1$

素因数の和:15279

約数の個数: 16

約数和(自身を含む): 32870880

約数和(自身を除く): 11095353

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 15217, 45651, 136953, 410859, 806501, 2419503, 7258509, 21775527]

約数ペア:

[(1, 21775527), (3, 7258509), (9, 2419503), (27, 806501), (53, 410859), (159, 136953), (477, 45651), (1431, 15217)]