87002881

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{827}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 107606880

約数和(自身を除く): 20603999

約数列:

[1, 7, 19, 49, 113, 133, 791, 827, 931, 2147, 5537, 5789, 15029, 15713, 40523, 93451, 105203, 109991, 654157, 769937, 1775569, 4579099, 12428983, 87002881]

約数ペア:

[(1, 87002881), (7, 12428983), (19, 4579099), (49, 1775569), (113, 769937), (133, 654157), (791, 109991), (827, 105203), (931, 93451), (2147, 40523), (5537, 15713), (5789, 15029)]