91231947

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{47591}}^1$

素因数の和:47671

約数の個数: 16

約数和(自身を含む): 137064960

約数和(自身を除く): 45833013

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 47591, 142773, 428319, 1284957, 3378961, 10136883, 30410649, 91231947]

約数ペア:

[(1, 91231947), (3, 30410649), (9, 10136883), (27, 3378961), (71, 1284957), (213, 428319), (639, 142773), (1917, 47591)]