242569143

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{2213}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 369560880

約数和(自身を除く): 126991737

約数列:

[1, 3, 9, 19, 57, 171, 641, 1923, 2213, 5769, 6639, 12179, 19917, 36537, 42047, 109611, 126141, 378423, 1418533, 4255599, 12766797, 26952127, 80856381, 242569143]

約数ペア:

[(1, 242569143), (3, 80856381), (9, 26952127), (19, 12766797), (57, 4255599), (171, 1418533), (641, 378423), (1923, 126141), (2213, 109611), (5769, 42047), (6639, 36537), (12179, 19917)]