81153443

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 100024320

約数和(自身を除く): 18870877

約数列:

[1, 7, 31, 47, 73, 109, 217, 329, 511, 763, 1457, 2263, 3379, 3431, 5123, 7957, 10199, 15841, 23653, 24017, 35861, 55699, 106361, 158813, 246667, 373979, 744527, 1111691, 1726669, 2617853, 11593349, 81153443]

約数ペア:

[(1, 81153443), (7, 11593349), (31, 2617853), (47, 1726669), (73, 1111691), (109, 744527), (217, 373979), (329, 246667), (511, 158813), (763, 106361), (1457, 55699), (2263, 35861), (3379, 24017), (3431, 23653), (5123, 15841), (7957, 10199)]