208216539

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{12119}}^1$

素因数の和:12231

約数の個数: 24

約数和(自身を含む): 317640960

約数和(自身を除く): 109424421

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1909, 5727, 12119, 17181, 36357, 109071, 278737, 836211, 1005877, 2508633, 3017631, 9052893, 23135171, 69405513, 208216539]

約数ペア:

[(1, 208216539), (3, 69405513), (9, 23135171), (23, 9052893), (69, 3017631), (83, 2508633), (207, 1005877), (249, 836211), (747, 278737), (1909, 109071), (5727, 36357), (12119, 17181)]