127739905

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1\times {\mathrm{971}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 155784384

約数和(自身を除く): 28044479

約数列:

[1, 5, 83, 317, 415, 971, 1585, 4855, 26311, 80593, 131555, 307807, 402965, 1539035, 25547981, 127739905]

約数ペア:

[(1, 127739905), (5, 25547981), (83, 1539035), (317, 402965), (415, 307807), (971, 131555), (1585, 80593), (4855, 26311)]