123740841

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{20389}}^1$

素因数の和:20433

約数の個数: 24

約数和(自身を含む): 200311360

約数和(自身を除く): 76570519

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 6069, 20389, 61167, 142723, 346613, 428169, 1039839, 2426291, 5892421, 7278873, 17677263, 41246947, 123740841]

約数ペア:

[(1, 123740841), (3, 41246947), (7, 17677263), (17, 7278873), (21, 5892421), (51, 2426291), (119, 1039839), (289, 428169), (357, 346613), (867, 142723), (2023, 61167), (6069, 20389)]