87970267

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{283}}^1\times {\mathrm{367}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 111200768

約数和(自身を除く): 23230501

約数列:

[1, 7, 11, 77, 121, 283, 367, 847, 1981, 2569, 3113, 4037, 21791, 28259, 34243, 44407, 103861, 239701, 310849, 727027, 1142471, 7997297, 12567181, 87970267]

約数ペア:

[(1, 87970267), (7, 12567181), (11, 7997297), (77, 1142471), (121, 727027), (283, 310849), (367, 239701), (847, 103861), (1981, 44407), (2569, 34243), (3113, 28259), (4037, 21791)]