31904523

素因数分解:

$3^4\times 7^1\times {\mathrm{56269}}^1$

素因数の和:56288

約数の個数: 20

約数和(自身を含む): 54469360

約数和(自身を除く): 22564837

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 56269, 168807, 393883, 506421, 1181649, 1519263, 3544947, 4557789, 10634841, 31904523]

約数ペア:

[(1, 31904523), (3, 10634841), (7, 4557789), (9, 3544947), (21, 1519263), (27, 1181649), (63, 506421), (81, 393883), (189, 168807), (567, 56269)]