51811569

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{9547}}^1$

素因数の和:9626

約数の個数: 20

約数和(自身を含む): 78560944

約数和(自身を除く): 26749375

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 9547, 28641, 85923, 257769, 639649, 773307, 1918947, 5756841, 17270523, 51811569]

約数ペア:

[(1, 51811569), (3, 17270523), (9, 5756841), (27, 1918947), (67, 773307), (81, 639649), (201, 257769), (603, 85923), (1809, 28641), (5427, 9547)]