31229913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72797}}^1$

素因数の和:72824

約数の個数: 16

約数和(自身を含む): 48920256

約数和(自身を除く): 17690343

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 72797, 218391, 800767, 946361, 2402301, 2839083, 10409971, 31229913]

約数ペア:

[(1, 31229913), (3, 10409971), (11, 2839083), (13, 2402301), (33, 946361), (39, 800767), (143, 218391), (429, 72797)]