31677147

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 47005920

約数和(自身を除く): 15328773

約数列:

[1, 3, 9, 71, 89, 213, 267, 557, 639, 801, 1671, 5013, 6319, 18957, 39547, 49573, 56871, 118641, 148719, 355923, 446157, 3519683, 10559049, 31677147]

約数ペア:

[(1, 31677147), (3, 10559049), (9, 3519683), (71, 446157), (89, 355923), (213, 148719), (267, 118641), (557, 56871), (639, 49573), (801, 39547), (1671, 18957), (5013, 6319)]