20138319

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3061}}^1$

素因数の和:3127

約数の個数: 24

約数和(自身を含む): 31526352

約数和(自身を除く): 11388033

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 3061, 6579, 9183, 27549, 52037, 131623, 156111, 394869, 468333, 1184607, 2237591, 6712773, 20138319]

約数ペア:

[(1, 20138319), (3, 6712773), (9, 2237591), (17, 1184607), (43, 468333), (51, 394869), (129, 156111), (153, 131623), (387, 52037), (731, 27549), (2193, 9183), (3061, 6579)]