81321317

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{1433}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 103752768

約数和(自身を除く): 22431451

約数列:

[1, 7, 11, 67, 77, 121, 469, 737, 847, 1433, 5159, 8107, 10031, 15763, 56749, 96011, 110341, 173393, 672077, 1056121, 1213751, 7392847, 11617331, 81321317]

約数ペア:

[(1, 81321317), (7, 11617331), (11, 7392847), (67, 1213751), (77, 1056121), (121, 672077), (469, 173393), (737, 110341), (847, 96011), (1433, 56749), (5159, 15763), (8107, 10031)]