81839065

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{30367}}^1$

素因数の和:30397

約数の個数: 24

約数和(自身を含む): 124630272

約数和(自身を除く): 42791207

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 30367, 151835, 212569, 334037, 1062845, 1487983, 1670185, 2338259, 7439915, 11691295, 16367813, 81839065]

約数ペア:

[(1, 81839065), (5, 16367813), (7, 11691295), (11, 7439915), (35, 2338259), (49, 1670185), (55, 1487983), (77, 1062845), (245, 334037), (385, 212569), (539, 151835), (2695, 30367)]