28257723

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14207}}^1$

素因数の和:14243

約数の個数: 24

約数和(自身を含む): 46545408

約数和(自身を除く): 18287685

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 14207, 42621, 127863, 184691, 241519, 554073, 724557, 1662219, 2173671, 3139747, 9419241, 28257723]

約数ペア:

[(1, 28257723), (3, 9419241), (9, 3139747), (13, 2173671), (17, 1662219), (39, 724557), (51, 554073), (117, 241519), (153, 184691), (221, 127863), (663, 42621), (1989, 14207)]