12821501

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2281}}^1$

素因数の和:2372

約数の個数: 16

約数和(自身を含む): 16211328

約数和(自身を除く): 3389827

約数列:

[1, 7, 11, 73, 77, 511, 803, 2281, 5621, 15967, 25091, 166513, 175637, 1165591, 1831643, 12821501]

約数ペア:

[(1, 12821501), (7, 1831643), (11, 1165591), (73, 175637), (77, 166513), (511, 25091), (803, 15967), (2281, 5621)]