211677057

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{12269}}^1$

素因数の和:12355

約数の個数: 24

約数和(自身を含む): 321572160

約数和(自身を除く): 109895103

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1917, 5751, 12269, 17253, 36807, 110421, 331263, 871099, 993789, 2613297, 2981367, 7839891, 23519673, 70559019, 211677057]

約数ペア:

[(1, 211677057), (3, 70559019), (9, 23519673), (27, 7839891), (71, 2981367), (81, 2613297), (213, 993789), (243, 871099), (639, 331263), (1917, 110421), (5751, 36807), (12269, 17253)]