201611521971

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{315510989}}^1$

素因数の和:315511066

約数の個数: 12

約数和(自身を含む): 295318286640

約数和(自身を除く): 93706764669

約数列:

[1, 3, 9, 71, 213, 639, 315510989, 946532967, 2839598901, 22401280219, 67203840657, 201611521971]

約数ペア:

[(1, 201611521971), (3, 67203840657), (9, 22401280219), (71, 2839598901), (213, 946532967), (639, 315510989)]